Home / 9,070.86-12,517.67-5,091.87

Finding the Fourth Proportional to 9,070.86, 12,517.67 and 5,091.87

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Solution

The fourth proportional to 9,070.86, 12,517.67 and 5,091.87 is: 7,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.86 : 12,517.67 = 5,091.87 : x
  2. Step 2: Convert to fraction form
    9,070.86/12,517.67 = 5,091.87/x
  3. Step 3: Cross multiply
    9,070.86x = 12,517.67 × 5,091.87
  4. Step 4: Simplify right side
    9,070.86x = 63,738,285.75
  5. Step 5: Solve for x
    x = 63,738,285.75/9,070.86
  6. Step 6: Final answer
    x = 7,026.71

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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.