Home / 10,299.32-15,439.81-3,724.04

Finding the Fourth Proportional to 10,299.32, 15,439.81 and 3,724.04

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Solution

The fourth proportional to 10,299.32, 15,439.81 and 3,724.04 is: 5,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.32 : 15,439.81 = 3,724.04 : x
  2. Step 2: Convert to fraction form
    10,299.32/15,439.81 = 3,724.04/x
  3. Step 3: Cross multiply
    10,299.32x = 15,439.81 × 3,724.04
  4. Step 4: Simplify right side
    10,299.32x = 57,498,374.21
  5. Step 5: Solve for x
    x = 57,498,374.21/10,299.32
  6. Step 6: Final answer
    x = 5,582.74

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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.