Home / 10,360.10-15,540.15-9,236.90

Finding the Fourth Proportional to 10,360.10, 15,540.15 and 9,236.90

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Solution

The fourth proportional to 10,360.10, 15,540.15 and 9,236.90 is: 13,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.10 : 15,540.15 = 9,236.90 : x
  2. Step 2: Convert to fraction form
    10,360.10/15,540.15 = 9,236.90/x
  3. Step 3: Cross multiply
    10,360.10x = 15,540.15 × 9,236.90
  4. Step 4: Simplify right side
    10,360.10x = 143,542,811.54
  5. Step 5: Solve for x
    x = 143,542,811.54/10,360.10
  6. Step 6: Final answer
    x = 13,855.35

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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.