Home / 23,172.10-34,760.84-8,387.98

Finding the Fourth Proportional to 23,172.10, 34,760.84 and 8,387.98

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Solution

The fourth proportional to 23,172.10, 34,760.84 and 8,387.98 is: 12,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.10 : 34,760.84 = 8,387.98 : x
  2. Step 2: Convert to fraction form
    23,172.10/34,760.84 = 8,387.98/x
  3. Step 3: Cross multiply
    23,172.10x = 34,760.84 × 8,387.98
  4. Step 4: Simplify right side
    23,172.10x = 291,573,230.70
  5. Step 5: Solve for x
    x = 291,573,230.70/23,172.10
  6. Step 6: Final answer
    x = 12,582.94

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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.