Home / 9,070.75-12,517.42-5,091.76

Finding the Fourth Proportional to 9,070.75, 12,517.42 and 5,091.76

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Solution

The fourth proportional to 9,070.75, 12,517.42 and 5,091.76 is: 7,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.75 : 12,517.42 = 5,091.76 : x
  2. Step 2: Convert to fraction form
    9,070.75/12,517.42 = 5,091.76/x
  3. Step 3: Cross multiply
    9,070.75x = 12,517.42 × 5,091.76
  4. Step 4: Simplify right side
    9,070.75x = 63,735,610.41
  5. Step 5: Solve for x
    x = 63,735,610.41/9,070.75
  6. Step 6: Final answer
    x = 7,026.50

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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.