Home / 8,546.72-11,787.84-5,401.76

Finding the Fourth Proportional to 8,546.72, 11,787.84 and 5,401.76

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Solution

The fourth proportional to 8,546.72, 11,787.84 and 5,401.76 is: 7,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.72 : 11,787.84 = 5,401.76 : x
  2. Step 2: Convert to fraction form
    8,546.72/11,787.84 = 5,401.76/x
  3. Step 3: Cross multiply
    8,546.72x = 11,787.84 × 5,401.76
  4. Step 4: Simplify right side
    8,546.72x = 63,675,082.60
  5. Step 5: Solve for x
    x = 63,675,082.60/8,546.72
  6. Step 6: Final answer
    x = 7,450.24

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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.