Home / 8,963.27-12,372.38-5,426.48

Finding the Fourth Proportional to 8,963.27, 12,372.38 and 5,426.48

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Solution

The fourth proportional to 8,963.27, 12,372.38 and 5,426.48 is: 7,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.27 : 12,372.38 = 5,426.48 : x
  2. Step 2: Convert to fraction form
    8,963.27/12,372.38 = 5,426.48/x
  3. Step 3: Cross multiply
    8,963.27x = 12,372.38 × 5,426.48
  4. Step 4: Simplify right side
    8,963.27x = 67,138,427.18
  5. Step 5: Solve for x
    x = 67,138,427.18/8,963.27
  6. Step 6: Final answer
    x = 7,490.40

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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.