Home / 10,236.55-14,125.28-5,760.20

Finding the Fourth Proportional to 10,236.55, 14,125.28 and 5,760.20

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Solution

The fourth proportional to 10,236.55, 14,125.28 and 5,760.20 is: 7,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.55 : 14,125.28 = 5,760.20 : x
  2. Step 2: Convert to fraction form
    10,236.55/14,125.28 = 5,760.20/x
  3. Step 3: Cross multiply
    10,236.55x = 14,125.28 × 5,760.20
  4. Step 4: Simplify right side
    10,236.55x = 81,364,487.57
  5. Step 5: Solve for x
    x = 81,364,487.57/10,236.55
  6. Step 6: Final answer
    x = 7,948.43

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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.