Home / 11,247.54-15,518.16-6,530.88

Finding the Fourth Proportional to 11,247.54, 15,518.16 and 6,530.88

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Solution

The fourth proportional to 11,247.54, 15,518.16 and 6,530.88 is: 9,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.54 : 15,518.16 = 6,530.88 : x
  2. Step 2: Convert to fraction form
    11,247.54/15,518.16 = 6,530.88/x
  3. Step 3: Cross multiply
    11,247.54x = 15,518.16 × 6,530.88
  4. Step 4: Simplify right side
    11,247.54x = 101,347,240.78
  5. Step 5: Solve for x
    x = 101,347,240.78/11,247.54
  6. Step 6: Final answer
    x = 9,010.61

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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.