Home / 9,227.31-12,702.87-8,803.63

Finding the Fourth Proportional to 9,227.31, 12,702.87 and 8,803.63

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Solution

The fourth proportional to 9,227.31, 12,702.87 and 8,803.63 is: 12,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.31 : 12,702.87 = 8,803.63 : x
  2. Step 2: Convert to fraction form
    9,227.31/12,702.87 = 8,803.63/x
  3. Step 3: Cross multiply
    9,227.31x = 12,702.87 × 8,803.63
  4. Step 4: Simplify right side
    9,227.31x = 111,831,367.42
  5. Step 5: Solve for x
    x = 111,831,367.42/9,227.31
  6. Step 6: Final answer
    x = 12,119.61

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Double scale
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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.