Home / 11,042.16-15,238.44-6,326.88

Finding the Fourth Proportional to 11,042.16, 15,238.44 and 6,326.88

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Solution

The fourth proportional to 11,042.16, 15,238.44 and 6,326.88 is: 8,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.16 : 15,238.44 = 6,326.88 : x
  2. Step 2: Convert to fraction form
    11,042.16/15,238.44 = 6,326.88/x
  3. Step 3: Cross multiply
    11,042.16x = 15,238.44 × 6,326.88
  4. Step 4: Simplify right side
    11,042.16x = 96,411,781.27
  5. Step 5: Solve for x
    x = 96,411,781.27/11,042.16
  6. Step 6: Final answer
    x = 8,731.24

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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.