Home / 11,761.85-16,231.61-6,726.53

Finding the Fourth Proportional to 11,761.85, 16,231.61 and 6,726.53

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Solution

The fourth proportional to 11,761.85, 16,231.61 and 6,726.53 is: 9,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.85 : 16,231.61 = 6,726.53 : x
  2. Step 2: Convert to fraction form
    11,761.85/16,231.61 = 6,726.53/x
  3. Step 3: Cross multiply
    11,761.85x = 16,231.61 × 6,726.53
  4. Step 4: Simplify right side
    11,761.85x = 109,182,411.61
  5. Step 5: Solve for x
    x = 109,182,411.61/11,761.85
  6. Step 6: Final answer
    x = 9,282.76

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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.