Home / 9,276.48-13,902.60-8,103.66

Finding the Fourth Proportional to 9,276.48, 13,902.60 and 8,103.66

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Solution

The fourth proportional to 9,276.48, 13,902.60 and 8,103.66 is: 12,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.48 : 13,902.60 = 8,103.66 : x
  2. Step 2: Convert to fraction form
    9,276.48/13,902.60 = 8,103.66/x
  3. Step 3: Cross multiply
    9,276.48x = 13,902.60 × 8,103.66
  4. Step 4: Simplify right side
    9,276.48x = 112,661,943.52
  5. Step 5: Solve for x
    x = 112,661,943.52/9,276.48
  6. Step 6: Final answer
    x = 12,144.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.