Home / 10,425.20-15,598.92-10,308.56

Finding the Fourth Proportional to 10,425.20, 15,598.92 and 10,308.56

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Solution

The fourth proportional to 10,425.20, 15,598.92 and 10,308.56 is: 15,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.20 : 15,598.92 = 10,308.56 : x
  2. Step 2: Convert to fraction form
    10,425.20/15,598.92 = 10,308.56/x
  3. Step 3: Cross multiply
    10,425.20x = 15,598.92 × 10,308.56
  4. Step 4: Simplify right side
    10,425.20x = 160,802,402.76
  5. Step 5: Solve for x
    x = 160,802,402.76/10,425.20
  6. Step 6: Final answer
    x = 15,424.40

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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.