Home / 8,045.48-11,100.51-6,338.69

Finding the Fourth Proportional to 8,045.48, 11,100.51 and 6,338.69

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Solution

The fourth proportional to 8,045.48, 11,100.51 and 6,338.69 is: 8,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.48 : 11,100.51 = 6,338.69 : x
  2. Step 2: Convert to fraction form
    8,045.48/11,100.51 = 6,338.69/x
  3. Step 3: Cross multiply
    8,045.48x = 11,100.51 × 6,338.69
  4. Step 4: Simplify right side
    8,045.48x = 70,362,679.83
  5. Step 5: Solve for x
    x = 70,362,679.83/8,045.48
  6. Step 6: Final answer
    x = 8,745.62

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Half scale
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Double scale
Find fourth proportional to 8,046.48, 11,101.89 and 6,339.69
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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.