Home / 10,837.20-16,252.56-8,650.20

Finding the Fourth Proportional to 10,837.20, 16,252.56 and 8,650.20

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Solution

The fourth proportional to 10,837.20, 16,252.56 and 8,650.20 is: 12,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.20 : 16,252.56 = 8,650.20 : x
  2. Step 2: Convert to fraction form
    10,837.20/16,252.56 = 8,650.20/x
  3. Step 3: Cross multiply
    10,837.20x = 16,252.56 × 8,650.20
  4. Step 4: Simplify right side
    10,837.20x = 140,587,894.51
  5. Step 5: Solve for x
    x = 140,587,894.51/10,837.20
  6. Step 6: Final answer
    x = 12,972.71

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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.