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Finding the Fourth Proportional to 11,363.63, 15,702.15 and 8,852.22

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Solution

The fourth proportional to 11,363.63, 15,702.15 and 8,852.22 is: 12,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.63 : 15,702.15 = 8,852.22 : x
  2. Step 2: Convert to fraction form
    11,363.63/15,702.15 = 8,852.22/x
  3. Step 3: Cross multiply
    11,363.63x = 15,702.15 × 8,852.22
  4. Step 4: Simplify right side
    11,363.63x = 138,998,929.69
  5. Step 5: Solve for x
    x = 138,998,929.69/11,363.63
  6. Step 6: Final answer
    x = 12,231.91

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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.