Home / 9,273.91-12,790.55-8,152.47

Finding the Fourth Proportional to 9,273.91, 12,790.55 and 8,152.47

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Solution

The fourth proportional to 9,273.91, 12,790.55 and 8,152.47 is: 11,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.91 : 12,790.55 = 8,152.47 : x
  2. Step 2: Convert to fraction form
    9,273.91/12,790.55 = 8,152.47/x
  3. Step 3: Cross multiply
    9,273.91x = 12,790.55 × 8,152.47
  4. Step 4: Simplify right side
    9,273.91x = 104,274,575.16
  5. Step 5: Solve for x
    x = 104,274,575.16/9,273.91
  6. Step 6: Final answer
    x = 11,243.86

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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.