Home / 7,422.12-11,123.46-3,034.44

Finding the Fourth Proportional to 7,422.12, 11,123.46 and 3,034.44

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Solution

The fourth proportional to 7,422.12, 11,123.46 and 3,034.44 is: 4,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.12 : 11,123.46 = 3,034.44 : x
  2. Step 2: Convert to fraction form
    7,422.12/11,123.46 = 3,034.44/x
  3. Step 3: Cross multiply
    7,422.12x = 11,123.46 × 3,034.44
  4. Step 4: Simplify right side
    7,422.12x = 33,753,471.96
  5. Step 5: Solve for x
    x = 33,753,471.96/7,422.12
  6. Step 6: Final answer
    x = 4,547.69

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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.