Home / 11,272.48-15,556.12-6,304.48

Finding the Fourth Proportional to 11,272.48, 15,556.12 and 6,304.48

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Solution

The fourth proportional to 11,272.48, 15,556.12 and 6,304.48 is: 8,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.48 : 15,556.12 = 6,304.48 : x
  2. Step 2: Convert to fraction form
    11,272.48/15,556.12 = 6,304.48/x
  3. Step 3: Cross multiply
    11,272.48x = 15,556.12 × 6,304.48
  4. Step 4: Simplify right side
    11,272.48x = 98,073,247.42
  5. Step 5: Solve for x
    x = 98,073,247.42/11,272.48
  6. Step 6: Final answer
    x = 8,700.24

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Half scale
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Double scale
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Similar ratio
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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.