Home / 9,423.60-14,135.40-8,732.40

Finding the Fourth Proportional to 9,423.60, 14,135.40 and 8,732.40

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Solution

The fourth proportional to 9,423.60, 14,135.40 and 8,732.40 is: 13,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.60 : 14,135.40 = 8,732.40 : x
  2. Step 2: Convert to fraction form
    9,423.60/14,135.40 = 8,732.40/x
  3. Step 3: Cross multiply
    9,423.60x = 14,135.40 × 8,732.40
  4. Step 4: Simplify right side
    9,423.60x = 123,435,966.96
  5. Step 5: Solve for x
    x = 123,435,966.96/9,423.60
  6. Step 6: Final answer
    x = 13,098.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.