Home / 8,708.14-12,017.46-5,352.92

Finding the Fourth Proportional to 8,708.14, 12,017.46 and 5,352.92

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Solution

The fourth proportional to 8,708.14, 12,017.46 and 5,352.92 is: 7,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.14 : 12,017.46 = 5,352.92 : x
  2. Step 2: Convert to fraction form
    8,708.14/12,017.46 = 5,352.92/x
  3. Step 3: Cross multiply
    8,708.14x = 12,017.46 × 5,352.92
  4. Step 4: Simplify right side
    8,708.14x = 64,328,507.03
  5. Step 5: Solve for x
    x = 64,328,507.03/8,708.14
  6. Step 6: Final answer
    x = 7,387.17

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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.