Home / 12,883.20-17,770.56-8,848.08

Finding the Fourth Proportional to 12,883.20, 17,770.56 and 8,848.08

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Solution

The fourth proportional to 12,883.20, 17,770.56 and 8,848.08 is: 12,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.20 : 17,770.56 = 8,848.08 : x
  2. Step 2: Convert to fraction form
    12,883.20/17,770.56 = 8,848.08/x
  3. Step 3: Cross multiply
    12,883.20x = 17,770.56 × 8,848.08
  4. Step 4: Simplify right side
    12,883.20x = 157,235,336.52
  5. Step 5: Solve for x
    x = 157,235,336.52/12,883.20
  6. Step 6: Final answer
    x = 12,204.68

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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.