Home / 10,385.24-15,577.62-3,459.80

Finding the Fourth Proportional to 10,385.24, 15,577.62 and 3,459.80

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Solution

The fourth proportional to 10,385.24, 15,577.62 and 3,459.80 is: 5,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.24 : 15,577.62 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    10,385.24/15,577.62 = 3,459.80/x
  3. Step 3: Cross multiply
    10,385.24x = 15,577.62 × 3,459.80
  4. Step 4: Simplify right side
    10,385.24x = 53,895,449.68
  5. Step 5: Solve for x
    x = 53,895,449.68/10,385.24
  6. Step 6: Final answer
    x = 5,189.62

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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.