Home / 8,968.38-12,381.52-5,988.58

Finding the Fourth Proportional to 8,968.38, 12,381.52 and 5,988.58

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Solution

The fourth proportional to 8,968.38, 12,381.52 and 5,988.58 is: 8,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.38 : 12,381.52 = 5,988.58 : x
  2. Step 2: Convert to fraction form
    8,968.38/12,381.52 = 5,988.58/x
  3. Step 3: Cross multiply
    8,968.38x = 12,381.52 × 5,988.58
  4. Step 4: Simplify right side
    8,968.38x = 74,147,723.04
  5. Step 5: Solve for x
    x = 74,147,723.04/8,968.38
  6. Step 6: Final answer
    x = 8,267.68

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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.