Home / 10,236.60-15,318.45-7,101.90

Finding the Fourth Proportional to 10,236.60, 15,318.45 and 7,101.90

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Solution

The fourth proportional to 10,236.60, 15,318.45 and 7,101.90 is: 10,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.60 : 15,318.45 = 7,101.90 : x
  2. Step 2: Convert to fraction form
    10,236.60/15,318.45 = 7,101.90/x
  3. Step 3: Cross multiply
    10,236.60x = 15,318.45 × 7,101.90
  4. Step 4: Simplify right side
    10,236.60x = 108,790,100.06
  5. Step 5: Solve for x
    x = 108,790,100.06/10,236.60
  6. Step 6: Final answer
    x = 10,627.56

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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.