Home / 11,726.48-16,184.10-6,689.56

Finding the Fourth Proportional to 11,726.48, 16,184.10 and 6,689.56

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Solution

The fourth proportional to 11,726.48, 16,184.10 and 6,689.56 is: 9,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.48 : 16,184.10 = 6,689.56 : x
  2. Step 2: Convert to fraction form
    11,726.48/16,184.10 = 6,689.56/x
  3. Step 3: Cross multiply
    11,726.48x = 16,184.10 × 6,689.56
  4. Step 4: Simplify right side
    11,726.48x = 108,264,508.00
  5. Step 5: Solve for x
    x = 108,264,508.00/11,726.48
  6. Step 6: Final answer
    x = 9,232.48

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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.