Home / 10,432.55-15,651.20-3,507.05

Finding the Fourth Proportional to 10,432.55, 15,651.20 and 3,507.05

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Solution

The fourth proportional to 10,432.55, 15,651.20 and 3,507.05 is: 5,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.55 : 15,651.20 = 3,507.05 : x
  2. Step 2: Convert to fraction form
    10,432.55/15,651.20 = 3,507.05/x
  3. Step 3: Cross multiply
    10,432.55x = 15,651.20 × 3,507.05
  4. Step 4: Simplify right side
    10,432.55x = 54,889,471.47
  5. Step 5: Solve for x
    x = 54,889,471.47/10,432.55
  6. Step 6: Final answer
    x = 5,261.37

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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.