Home / 9,273.03-12,789.35-8,151.59

Finding the Fourth Proportional to 9,273.03, 12,789.35 and 8,151.59

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Solution

The fourth proportional to 9,273.03, 12,789.35 and 8,151.59 is: 11,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.03 : 12,789.35 = 8,151.59 : x
  2. Step 2: Convert to fraction form
    9,273.03/12,789.35 = 8,151.59/x
  3. Step 3: Cross multiply
    9,273.03x = 12,789.35 × 8,151.59
  4. Step 4: Simplify right side
    9,273.03x = 104,253,494.00
  5. Step 5: Solve for x
    x = 104,253,494.00/9,273.03
  6. Step 6: Final answer
    x = 11,242.66

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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.