Home / 10,499.43-15,746.45-5,229.03

Finding the Fourth Proportional to 10,499.43, 15,746.45 and 5,229.03

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Solution

The fourth proportional to 10,499.43, 15,746.45 and 5,229.03 is: 7,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.43 : 15,746.45 = 5,229.03 : x
  2. Step 2: Convert to fraction form
    10,499.43/15,746.45 = 5,229.03/x
  3. Step 3: Cross multiply
    10,499.43x = 15,746.45 × 5,229.03
  4. Step 4: Simplify right side
    10,499.43x = 82,338,633.30
  5. Step 5: Solve for x
    x = 82,338,633.30/10,499.43
  6. Step 6: Final answer
    x = 7,842.20

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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.