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Finding the Fourth Proportional to 10,411.46, 15,592.16 and 5,955.62

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Solution

The fourth proportional to 10,411.46, 15,592.16 and 5,955.62 is: 8,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.46 : 15,592.16 = 5,955.62 : x
  2. Step 2: Convert to fraction form
    10,411.46/15,592.16 = 5,955.62/x
  3. Step 3: Cross multiply
    10,411.46x = 15,592.16 × 5,955.62
  4. Step 4: Simplify right side
    10,411.46x = 92,860,916.87
  5. Step 5: Solve for x
    x = 92,860,916.87/10,411.46
  6. Step 6: Final answer
    x = 8,919.11

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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.