Home / 10,275.17-15,407.20-3,609.95

Finding the Fourth Proportional to 10,275.17, 15,407.20 and 3,609.95

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Solution

The fourth proportional to 10,275.17, 15,407.20 and 3,609.95 is: 5,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.17 : 15,407.20 = 3,609.95 : x
  2. Step 2: Convert to fraction form
    10,275.17/15,407.20 = 3,609.95/x
  3. Step 3: Cross multiply
    10,275.17x = 15,407.20 × 3,609.95
  4. Step 4: Simplify right side
    10,275.17x = 55,619,135.58
  5. Step 5: Solve for x
    x = 55,619,135.58/10,275.17
  6. Step 6: Final answer
    x = 5,412.97

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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.