Home / 10,366.43-15,549.84-5,445.68

Finding the Fourth Proportional to 10,366.43, 15,549.84 and 5,445.68

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Solution

The fourth proportional to 10,366.43, 15,549.84 and 5,445.68 is: 8,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.43 : 15,549.84 = 5,445.68 : x
  2. Step 2: Convert to fraction form
    10,366.43/15,549.84 = 5,445.68/x
  3. Step 3: Cross multiply
    10,366.43x = 15,549.84 × 5,445.68
  4. Step 4: Simplify right side
    10,366.43x = 84,679,374.94
  5. Step 5: Solve for x
    x = 84,679,374.94/10,366.43
  6. Step 6: Final answer
    x = 8,168.62

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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.