Home / 11,339.17-17,011.18-4,761.97

Finding the Fourth Proportional to 11,339.17, 17,011.18 and 4,761.97

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Solution

The fourth proportional to 11,339.17, 17,011.18 and 4,761.97 is: 7,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.17 : 17,011.18 = 4,761.97 : x
  2. Step 2: Convert to fraction form
    11,339.17/17,011.18 = 4,761.97/x
  3. Step 3: Cross multiply
    11,339.17x = 17,011.18 × 4,761.97
  4. Step 4: Simplify right side
    11,339.17x = 81,006,728.82
  5. Step 5: Solve for x
    x = 81,006,728.82/11,339.17
  6. Step 6: Final answer
    x = 7,143.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.