Home / 11,121.85-15,348.02-6,086.01

Finding the Fourth Proportional to 11,121.85, 15,348.02 and 6,086.01

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Solution

The fourth proportional to 11,121.85, 15,348.02 and 6,086.01 is: 8,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.85 : 15,348.02 = 6,086.01 : x
  2. Step 2: Convert to fraction form
    11,121.85/15,348.02 = 6,086.01/x
  3. Step 3: Cross multiply
    11,121.85x = 15,348.02 × 6,086.01
  4. Step 4: Simplify right side
    11,121.85x = 93,408,203.20
  5. Step 5: Solve for x
    x = 93,408,203.20/11,121.85
  6. Step 6: Final answer
    x = 8,398.62

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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.