Home / 10,366.10-15,549.15-3,440.60

Finding the Fourth Proportional to 10,366.10, 15,549.15 and 3,440.60

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Solution

The fourth proportional to 10,366.10, 15,549.15 and 3,440.60 is: 5,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.10 : 15,549.15 = 3,440.60 : x
  2. Step 2: Convert to fraction form
    10,366.10/15,549.15 = 3,440.60/x
  3. Step 3: Cross multiply
    10,366.10x = 15,549.15 × 3,440.60
  4. Step 4: Simplify right side
    10,366.10x = 53,498,405.49
  5. Step 5: Solve for x
    x = 53,498,405.49/10,366.10
  6. Step 6: Final answer
    x = 5,160.90

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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.