Home / 11,170.31-15,422.27-6,925.90

Finding the Fourth Proportional to 11,170.31, 15,422.27 and 6,925.90

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Solution

The fourth proportional to 11,170.31, 15,422.27 and 6,925.90 is: 9,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.31 : 15,422.27 = 6,925.90 : x
  2. Step 2: Convert to fraction form
    11,170.31/15,422.27 = 6,925.90/x
  3. Step 3: Cross multiply
    11,170.31x = 15,422.27 × 6,925.90
  4. Step 4: Simplify right side
    11,170.31x = 106,813,026.61
  5. Step 5: Solve for x
    x = 106,813,026.61/11,170.31
  6. Step 6: Final answer
    x = 9,562.22

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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.