Home / 10,540.44-14,512.50-9,280.62

Finding the Fourth Proportional to 10,540.44, 14,512.50 and 9,280.62

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Solution

The fourth proportional to 10,540.44, 14,512.50 and 9,280.62 is: 12,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.44 : 14,512.50 = 9,280.62 : x
  2. Step 2: Convert to fraction form
    10,540.44/14,512.50 = 9,280.62/x
  3. Step 3: Cross multiply
    10,540.44x = 14,512.50 × 9,280.62
  4. Step 4: Simplify right side
    10,540.44x = 134,684,997.75
  5. Step 5: Solve for x
    x = 134,684,997.75/10,540.44
  6. Step 6: Final answer
    x = 12,777.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.