Home / 8,385.82-11,572.56-4,800.76

Finding the Fourth Proportional to 8,385.82, 11,572.56 and 4,800.76

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Solution

The fourth proportional to 8,385.82, 11,572.56 and 4,800.76 is: 6,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.82 : 11,572.56 = 4,800.76 : x
  2. Step 2: Convert to fraction form
    8,385.82/11,572.56 = 4,800.76/x
  3. Step 3: Cross multiply
    8,385.82x = 11,572.56 × 4,800.76
  4. Step 4: Simplify right side
    8,385.82x = 55,557,115.61
  5. Step 5: Solve for x
    x = 55,557,115.61/8,385.82
  6. Step 6: Final answer
    x = 6,625.13

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Find fourth proportional to 4,192.91, 5,786.28 and 2,400.38
Half scale
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Double scale
Find fourth proportional to 8,386.82, 11,573.94 and 4,801.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.