Home / 10,331.73-15,499.76-5,400.04

Finding the Fourth Proportional to 10,331.73, 15,499.76 and 5,400.04

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Solution

The fourth proportional to 10,331.73, 15,499.76 and 5,400.04 is: 8,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.73 : 15,499.76 = 5,400.04 : x
  2. Step 2: Convert to fraction form
    10,331.73/15,499.76 = 5,400.04/x
  3. Step 3: Cross multiply
    10,331.73x = 15,499.76 × 5,400.04
  4. Step 4: Simplify right side
    10,331.73x = 83,699,323.99
  5. Step 5: Solve for x
    x = 83,699,323.99/10,331.73
  6. Step 6: Final answer
    x = 8,101.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.