Home / 10,251.56-15,321.17-7,484.06

Finding the Fourth Proportional to 10,251.56, 15,321.17 and 7,484.06

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Solution

The fourth proportional to 10,251.56, 15,321.17 and 7,484.06 is: 11,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.56 : 15,321.17 = 7,484.06 : x
  2. Step 2: Convert to fraction form
    10,251.56/15,321.17 = 7,484.06/x
  3. Step 3: Cross multiply
    10,251.56x = 15,321.17 × 7,484.06
  4. Step 4: Simplify right side
    10,251.56x = 114,664,555.55
  5. Step 5: Solve for x
    x = 114,664,555.55/10,251.56
  6. Step 6: Final answer
    x = 11,185.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.