Home / 10,255.60-15,374.16-3,680.23

Finding the Fourth Proportional to 10,255.60, 15,374.16 and 3,680.23

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Solution

The fourth proportional to 10,255.60, 15,374.16 and 3,680.23 is: 5,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.60 : 15,374.16 = 3,680.23 : x
  2. Step 2: Convert to fraction form
    10,255.60/15,374.16 = 3,680.23/x
  3. Step 3: Cross multiply
    10,255.60x = 15,374.16 × 3,680.23
  4. Step 4: Simplify right side
    10,255.60x = 56,580,444.86
  5. Step 5: Solve for x
    x = 56,580,444.86/10,255.60
  6. Step 6: Final answer
    x = 5,517.03

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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.