Home / 11,207.17-15,437.41-8,549.97

Finding the Fourth Proportional to 11,207.17, 15,437.41 and 8,549.97

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Solution

The fourth proportional to 11,207.17, 15,437.41 and 8,549.97 is: 11,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.17 : 15,437.41 = 8,549.97 : x
  2. Step 2: Convert to fraction form
    11,207.17/15,437.41 = 8,549.97/x
  3. Step 3: Cross multiply
    11,207.17x = 15,437.41 × 8,549.97
  4. Step 4: Simplify right side
    11,207.17x = 131,989,392.38
  5. Step 5: Solve for x
    x = 131,989,392.38/11,207.17
  6. Step 6: Final answer
    x = 11,777.23

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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.