Home / 7,974.10-11,002.76-4,437.31

Finding the Fourth Proportional to 7,974.10, 11,002.76 and 4,437.31

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Solution

The fourth proportional to 7,974.10, 11,002.76 and 4,437.31 is: 6,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.10 : 11,002.76 = 4,437.31 : x
  2. Step 2: Convert to fraction form
    7,974.10/11,002.76 = 4,437.31/x
  3. Step 3: Cross multiply
    7,974.10x = 11,002.76 × 4,437.31
  4. Step 4: Simplify right side
    7,974.10x = 48,822,656.98
  5. Step 5: Solve for x
    x = 48,822,656.98/7,974.10
  6. Step 6: Final answer
    x = 6,122.65

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Double scale
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Similar ratio
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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.