Home / 12,475.44-17,216.28-6,886.56

Finding the Fourth Proportional to 12,475.44, 17,216.28 and 6,886.56

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Solution

The fourth proportional to 12,475.44, 17,216.28 and 6,886.56 is: 9,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.44 : 17,216.28 = 6,886.56 : x
  2. Step 2: Convert to fraction form
    12,475.44/17,216.28 = 6,886.56/x
  3. Step 3: Cross multiply
    12,475.44x = 17,216.28 × 6,886.56
  4. Step 4: Simplify right side
    12,475.44x = 118,560,945.20
  5. Step 5: Solve for x
    x = 118,560,945.20/12,475.44
  6. Step 6: Final answer
    x = 9,503.55

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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.