Home / 10,275.39-15,407.15-4,028.13

Finding the Fourth Proportional to 10,275.39, 15,407.15 and 4,028.13

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Solution

The fourth proportional to 10,275.39, 15,407.15 and 4,028.13 is: 6,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.39 : 15,407.15 = 4,028.13 : x
  2. Step 2: Convert to fraction form
    10,275.39/15,407.15 = 4,028.13/x
  3. Step 3: Cross multiply
    10,275.39x = 15,407.15 × 4,028.13
  4. Step 4: Simplify right side
    10,275.39x = 62,061,982.99
  5. Step 5: Solve for x
    x = 62,061,982.99/10,275.39
  6. Step 6: Final answer
    x = 6,039.87

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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.