Home / 12,558.96-17,334.45-7,256.88

Finding the Fourth Proportional to 12,558.96, 17,334.45 and 7,256.88

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Solution

The fourth proportional to 12,558.96, 17,334.45 and 7,256.88 is: 10,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.96 : 17,334.45 = 7,256.88 : x
  2. Step 2: Convert to fraction form
    12,558.96/17,334.45 = 7,256.88/x
  3. Step 3: Cross multiply
    12,558.96x = 17,334.45 × 7,256.88
  4. Step 4: Simplify right side
    12,558.96x = 125,794,023.52
  5. Step 5: Solve for x
    x = 125,794,023.52/12,558.96
  6. Step 6: Final answer
    x = 10,016.28

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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.