Home / 9,273.92-12,790.56-8,152.46

Finding the Fourth Proportional to 9,273.92, 12,790.56 and 8,152.46

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Solution

The fourth proportional to 9,273.92, 12,790.56 and 8,152.46 is: 11,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.92 : 12,790.56 = 8,152.46 : x
  2. Step 2: Convert to fraction form
    9,273.92/12,790.56 = 8,152.46/x
  3. Step 3: Cross multiply
    9,273.92x = 12,790.56 × 8,152.46
  4. Step 4: Simplify right side
    9,273.92x = 104,274,528.78
  5. Step 5: Solve for x
    x = 104,274,528.78/9,273.92
  6. Step 6: Final answer
    x = 11,243.85

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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.