Home / 8,726.10-12,042.13-4,747.32

Finding the Fourth Proportional to 8,726.10, 12,042.13 and 4,747.32

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Solution

The fourth proportional to 8,726.10, 12,042.13 and 4,747.32 is: 6,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.10 : 12,042.13 = 4,747.32 : x
  2. Step 2: Convert to fraction form
    8,726.10/12,042.13 = 4,747.32/x
  3. Step 3: Cross multiply
    8,726.10x = 12,042.13 × 4,747.32
  4. Step 4: Simplify right side
    8,726.10x = 57,167,844.59
  5. Step 5: Solve for x
    x = 57,167,844.59/8,726.10
  6. Step 6: Final answer
    x = 6,551.36

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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.