Home / 10,372.72-15,562.79-4,447.12

Finding the Fourth Proportional to 10,372.72, 15,562.79 and 4,447.12

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Solution

The fourth proportional to 10,372.72, 15,562.79 and 4,447.12 is: 6,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.72 : 15,562.79 = 4,447.12 : x
  2. Step 2: Convert to fraction form
    10,372.72/15,562.79 = 4,447.12/x
  3. Step 3: Cross multiply
    10,372.72x = 15,562.79 × 4,447.12
  4. Step 4: Simplify right side
    10,372.72x = 69,209,594.66
  5. Step 5: Solve for x
    x = 69,209,594.66/10,372.72
  6. Step 6: Final answer
    x = 6,672.27

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1.5x scale

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.