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Finding the Fourth Proportional to 8,347.66, 12,521.49 and 6,696.07

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Solution

The fourth proportional to 8,347.66, 12,521.49 and 6,696.07 is: 10,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.66 : 12,521.49 = 6,696.07 : x
  2. Step 2: Convert to fraction form
    8,347.66/12,521.49 = 6,696.07/x
  3. Step 3: Cross multiply
    8,347.66x = 12,521.49 × 6,696.07
  4. Step 4: Simplify right side
    8,347.66x = 83,844,773.54
  5. Step 5: Solve for x
    x = 83,844,773.54/8,347.66
  6. Step 6: Final answer
    x = 10,044.11

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Similar ratio
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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.