Home / 8,952.52-12,353.88-5,175.40

Finding the Fourth Proportional to 8,952.52, 12,353.88 and 5,175.40

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Solution

The fourth proportional to 8,952.52, 12,353.88 and 5,175.40 is: 7,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.52 : 12,353.88 = 5,175.40 : x
  2. Step 2: Convert to fraction form
    8,952.52/12,353.88 = 5,175.40/x
  3. Step 3: Cross multiply
    8,952.52x = 12,353.88 × 5,175.40
  4. Step 4: Simplify right side
    8,952.52x = 63,936,270.55
  5. Step 5: Solve for x
    x = 63,936,270.55/8,952.52
  6. Step 6: Final answer
    x = 7,141.71

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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.