Home / 10,385.46-15,577.56-3,459.96

Finding the Fourth Proportional to 10,385.46, 15,577.56 and 3,459.96

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Solution

The fourth proportional to 10,385.46, 15,577.56 and 3,459.96 is: 5,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.46 : 15,577.56 = 3,459.96 : x
  2. Step 2: Convert to fraction form
    10,385.46/15,577.56 = 3,459.96/x
  3. Step 3: Cross multiply
    10,385.46x = 15,577.56 × 3,459.96
  4. Step 4: Simplify right side
    10,385.46x = 53,897,734.50
  5. Step 5: Solve for x
    x = 53,897,734.50/10,385.46
  6. Step 6: Final answer
    x = 5,189.73

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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.