Home / 8,492.30-12,738.43-5,569.92

Finding the Fourth Proportional to 8,492.30, 12,738.43 and 5,569.92

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Solution

The fourth proportional to 8,492.30, 12,738.43 and 5,569.92 is: 8,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.30 : 12,738.43 = 5,569.92 : x
  2. Step 2: Convert to fraction form
    8,492.30/12,738.43 = 5,569.92/x
  3. Step 3: Cross multiply
    8,492.30x = 12,738.43 × 5,569.92
  4. Step 4: Simplify right side
    8,492.30x = 70,951,972.33
  5. Step 5: Solve for x
    x = 70,951,972.33/8,492.30
  6. Step 6: Final answer
    x = 8,354.86

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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.