Home / 11,261.12-15,540.41-6,156.65

Finding the Fourth Proportional to 11,261.12, 15,540.41 and 6,156.65

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Solution

The fourth proportional to 11,261.12, 15,540.41 and 6,156.65 is: 8,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.12 : 15,540.41 = 6,156.65 : x
  2. Step 2: Convert to fraction form
    11,261.12/15,540.41 = 6,156.65/x
  3. Step 3: Cross multiply
    11,261.12x = 15,540.41 × 6,156.65
  4. Step 4: Simplify right side
    11,261.12x = 95,676,756.74
  5. Step 5: Solve for x
    x = 95,676,756.74/11,261.12
  6. Step 6: Final answer
    x = 8,496.21

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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.