Home / 10,372.02-15,553.60-3,956.40

Finding the Fourth Proportional to 10,372.02, 15,553.60 and 3,956.40

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Solution

The fourth proportional to 10,372.02, 15,553.60 and 3,956.40 is: 5,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.02 : 15,553.60 = 3,956.40 : x
  2. Step 2: Convert to fraction form
    10,372.02/15,553.60 = 3,956.40/x
  3. Step 3: Cross multiply
    10,372.02x = 15,553.60 × 3,956.40
  4. Step 4: Simplify right side
    10,372.02x = 61,536,263.04
  5. Step 5: Solve for x
    x = 61,536,263.04/10,372.02
  6. Step 6: Final answer
    x = 5,932.91

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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.