Home / 11,132.15-15,361.65-6,655.97

Finding the Fourth Proportional to 11,132.15, 15,361.65 and 6,655.97

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Solution

The fourth proportional to 11,132.15, 15,361.65 and 6,655.97 is: 9,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.15 : 15,361.65 = 6,655.97 : x
  2. Step 2: Convert to fraction form
    11,132.15/15,361.65 = 6,655.97/x
  3. Step 3: Cross multiply
    11,132.15x = 15,361.65 × 6,655.97
  4. Step 4: Simplify right side
    11,132.15x = 102,246,719.95
  5. Step 5: Solve for x
    x = 102,246,719.95/11,132.15
  6. Step 6: Final answer
    x = 9,184.82

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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.