Home / 10,288.86-15,424.02-3,710.43

Finding the Fourth Proportional to 10,288.86, 15,424.02 and 3,710.43

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Solution

The fourth proportional to 10,288.86, 15,424.02 and 3,710.43 is: 5,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.86 : 15,424.02 = 3,710.43 : x
  2. Step 2: Convert to fraction form
    10,288.86/15,424.02 = 3,710.43/x
  3. Step 3: Cross multiply
    10,288.86x = 15,424.02 × 3,710.43
  4. Step 4: Simplify right side
    10,288.86x = 57,229,746.53
  5. Step 5: Solve for x
    x = 57,229,746.53/10,288.86
  6. Step 6: Final answer
    x = 5,562.30

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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.