Home / 7,974.74-11,002.92-4,787.18

Finding the Fourth Proportional to 7,974.74, 11,002.92 and 4,787.18

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Solution

The fourth proportional to 7,974.74, 11,002.92 and 4,787.18 is: 6,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.74 : 11,002.92 = 4,787.18 : x
  2. Step 2: Convert to fraction form
    7,974.74/11,002.92 = 4,787.18/x
  3. Step 3: Cross multiply
    7,974.74x = 11,002.92 × 4,787.18
  4. Step 4: Simplify right side
    7,974.74x = 52,672,958.57
  5. Step 5: Solve for x
    x = 52,672,958.57/7,974.74
  6. Step 6: Final answer
    x = 6,604.98

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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.