Home / 12,282.08-16,948.52-7,247.88

Finding the Fourth Proportional to 12,282.08, 16,948.52 and 7,247.88

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Solution

The fourth proportional to 12,282.08, 16,948.52 and 7,247.88 is: 10,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.08 : 16,948.52 = 7,247.88 : x
  2. Step 2: Convert to fraction form
    12,282.08/16,948.52 = 7,247.88/x
  3. Step 3: Cross multiply
    12,282.08x = 16,948.52 × 7,247.88
  4. Step 4: Simplify right side
    12,282.08x = 122,840,839.14
  5. Step 5: Solve for x
    x = 122,840,839.14/12,282.08
  6. Step 6: Final answer
    x = 10,001.63

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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.