Home / 11,281.46-15,540.57-9,597.47

Finding the Fourth Proportional to 11,281.46, 15,540.57 and 9,597.47

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Solution

The fourth proportional to 11,281.46, 15,540.57 and 9,597.47 is: 13,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.46 : 15,540.57 = 9,597.47 : x
  2. Step 2: Convert to fraction form
    11,281.46/15,540.57 = 9,597.47/x
  3. Step 3: Cross multiply
    11,281.46x = 15,540.57 × 9,597.47
  4. Step 4: Simplify right side
    11,281.46x = 149,150,076.66
  5. Step 5: Solve for x
    x = 149,150,076.66/11,281.46
  6. Step 6: Final answer
    x = 13,220.82

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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.