Home / 7,951.13-10,972.04-4,966.78

Finding the Fourth Proportional to 7,951.13, 10,972.04 and 4,966.78

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Solution

The fourth proportional to 7,951.13, 10,972.04 and 4,966.78 is: 6,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.13 : 10,972.04 = 4,966.78 : x
  2. Step 2: Convert to fraction form
    7,951.13/10,972.04 = 4,966.78/x
  3. Step 3: Cross multiply
    7,951.13x = 10,972.04 × 4,966.78
  4. Step 4: Simplify right side
    7,951.13x = 54,495,708.83
  5. Step 5: Solve for x
    x = 54,495,708.83/7,951.13
  6. Step 6: Final answer
    x = 6,853.83

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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.