Home / 10,079.64-15,117.64-3,836.36

Finding the Fourth Proportional to 10,079.64, 15,117.64 and 3,836.36

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Solution

The fourth proportional to 10,079.64, 15,117.64 and 3,836.36 is: 5,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.64 : 15,117.64 = 3,836.36 : x
  2. Step 2: Convert to fraction form
    10,079.64/15,117.64 = 3,836.36/x
  3. Step 3: Cross multiply
    10,079.64x = 15,117.64 × 3,836.36
  4. Step 4: Simplify right side
    10,079.64x = 57,996,737.59
  5. Step 5: Solve for x
    x = 57,996,737.59/10,079.64
  6. Step 6: Final answer
    x = 5,753.85

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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.