Home / 11,176.06-15,417.17-7,591.20

Finding the Fourth Proportional to 11,176.06, 15,417.17 and 7,591.20

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Solution

The fourth proportional to 11,176.06, 15,417.17 and 7,591.20 is: 10,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.06 : 15,417.17 = 7,591.20 : x
  2. Step 2: Convert to fraction form
    11,176.06/15,417.17 = 7,591.20/x
  3. Step 3: Cross multiply
    11,176.06x = 15,417.17 × 7,591.20
  4. Step 4: Simplify right side
    11,176.06x = 117,034,820.90
  5. Step 5: Solve for x
    x = 117,034,820.90/11,176.06
  6. Step 6: Final answer
    x = 10,471.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.