Home / 8,182.76-11,291.82-4,645.50

Finding the Fourth Proportional to 8,182.76, 11,291.82 and 4,645.50

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Solution

The fourth proportional to 8,182.76, 11,291.82 and 4,645.50 is: 6,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.76 : 11,291.82 = 4,645.50 : x
  2. Step 2: Convert to fraction form
    8,182.76/11,291.82 = 4,645.50/x
  3. Step 3: Cross multiply
    8,182.76x = 11,291.82 × 4,645.50
  4. Step 4: Simplify right side
    8,182.76x = 52,456,149.81
  5. Step 5: Solve for x
    x = 52,456,149.81/8,182.76
  6. Step 6: Final answer
    x = 6,410.57

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Half scale
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Double scale
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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.