Home / 10,266.80-15,400.20-2,475.62

Finding the Fourth Proportional to 10,266.80, 15,400.20 and 2,475.62

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Solution

The fourth proportional to 10,266.80, 15,400.20 and 2,475.62 is: 3,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.80 : 15,400.20 = 2,475.62 : x
  2. Step 2: Convert to fraction form
    10,266.80/15,400.20 = 2,475.62/x
  3. Step 3: Cross multiply
    10,266.80x = 15,400.20 × 2,475.62
  4. Step 4: Simplify right side
    10,266.80x = 38,125,043.12
  5. Step 5: Solve for x
    x = 38,125,043.12/10,266.80
  6. Step 6: Final answer
    x = 3,713.43

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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.