Home / 8,708.19-12,016.04-4,981.47

Finding the Fourth Proportional to 8,708.19, 12,016.04 and 4,981.47

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Solution

The fourth proportional to 8,708.19, 12,016.04 and 4,981.47 is: 6,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.19 : 12,016.04 = 4,981.47 : x
  2. Step 2: Convert to fraction form
    8,708.19/12,016.04 = 4,981.47/x
  3. Step 3: Cross multiply
    8,708.19x = 12,016.04 × 4,981.47
  4. Step 4: Simplify right side
    8,708.19x = 59,857,517.87
  5. Step 5: Solve for x
    x = 59,857,517.87/8,708.19
  6. Step 6: Final answer
    x = 6,873.70

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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.