Home / 11,397.49-15,726.66-7,614.58

Finding the Fourth Proportional to 11,397.49, 15,726.66 and 7,614.58

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Solution

The fourth proportional to 11,397.49, 15,726.66 and 7,614.58 is: 10,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.49 : 15,726.66 = 7,614.58 : x
  2. Step 2: Convert to fraction form
    11,397.49/15,726.66 = 7,614.58/x
  3. Step 3: Cross multiply
    11,397.49x = 15,726.66 × 7,614.58
  4. Step 4: Simplify right side
    11,397.49x = 119,751,910.70
  5. Step 5: Solve for x
    x = 119,751,910.70/11,397.49
  6. Step 6: Final answer
    x = 10,506.87

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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.