Home / 9,500.60-13,102.31-7,912.52

Finding the Fourth Proportional to 9,500.60, 13,102.31 and 7,912.52

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Solution

The fourth proportional to 9,500.60, 13,102.31 and 7,912.52 is: 10,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.60 : 13,102.31 = 7,912.52 : x
  2. Step 2: Convert to fraction form
    9,500.60/13,102.31 = 7,912.52/x
  3. Step 3: Cross multiply
    9,500.60x = 13,102.31 × 7,912.52
  4. Step 4: Simplify right side
    9,500.60x = 103,672,289.92
  5. Step 5: Solve for x
    x = 103,672,289.92/9,500.60
  6. Step 6: Final answer
    x = 10,912.18

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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.