Home / 11,222.76-15,488.33-6,187.44

Finding the Fourth Proportional to 11,222.76, 15,488.33 and 6,187.44

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Solution

The fourth proportional to 11,222.76, 15,488.33 and 6,187.44 is: 8,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.76 : 15,488.33 = 6,187.44 : x
  2. Step 2: Convert to fraction form
    11,222.76/15,488.33 = 6,187.44/x
  3. Step 3: Cross multiply
    11,222.76x = 15,488.33 × 6,187.44
  4. Step 4: Simplify right side
    11,222.76x = 95,833,112.58
  5. Step 5: Solve for x
    x = 95,833,112.58/11,222.76
  6. Step 6: Final answer
    x = 8,539.18

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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.