Home / 12,593.76-18,891.45-4,275.06

Finding the Fourth Proportional to 12,593.76, 18,891.45 and 4,275.06

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Solution

The fourth proportional to 12,593.76, 18,891.45 and 4,275.06 is: 6,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.76 : 18,891.45 = 4,275.06 : x
  2. Step 2: Convert to fraction form
    12,593.76/18,891.45 = 4,275.06/x
  3. Step 3: Cross multiply
    12,593.76x = 18,891.45 × 4,275.06
  4. Step 4: Simplify right side
    12,593.76x = 80,762,082.24
  5. Step 5: Solve for x
    x = 80,762,082.24/12,593.76
  6. Step 6: Final answer
    x = 6,412.86

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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.