Home / 11,678.18-16,116.53-6,373.04

Finding the Fourth Proportional to 11,678.18, 16,116.53 and 6,373.04

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Solution

The fourth proportional to 11,678.18, 16,116.53 and 6,373.04 is: 8,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.18 : 16,116.53 = 6,373.04 : x
  2. Step 2: Convert to fraction form
    11,678.18/16,116.53 = 6,373.04/x
  3. Step 3: Cross multiply
    11,678.18x = 16,116.53 × 6,373.04
  4. Step 4: Simplify right side
    11,678.18x = 102,711,177.90
  5. Step 5: Solve for x
    x = 102,711,177.90/11,678.18
  6. Step 6: Final answer
    x = 8,795.13

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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.