Home / 11,261.16-15,540.05-6,225.12

Finding the Fourth Proportional to 11,261.16, 15,540.05 and 6,225.12

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Solution

The fourth proportional to 11,261.16, 15,540.05 and 6,225.12 is: 8,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.16 : 15,540.05 = 6,225.12 : x
  2. Step 2: Convert to fraction form
    11,261.16/15,540.05 = 6,225.12/x
  3. Step 3: Cross multiply
    11,261.16x = 15,540.05 × 6,225.12
  4. Step 4: Simplify right side
    11,261.16x = 96,738,691.62
  5. Step 5: Solve for x
    x = 96,738,691.62/11,261.16
  6. Step 6: Final answer
    x = 8,590.47

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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.