Home / 12,498.16-17,261.64-8,512.36

Finding the Fourth Proportional to 12,498.16, 17,261.64 and 8,512.36

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Solution

The fourth proportional to 12,498.16, 17,261.64 and 8,512.36 is: 11,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.16 : 17,261.64 = 8,512.36 : x
  2. Step 2: Convert to fraction form
    12,498.16/17,261.64 = 8,512.36/x
  3. Step 3: Cross multiply
    12,498.16x = 17,261.64 × 8,512.36
  4. Step 4: Simplify right side
    12,498.16x = 146,937,293.87
  5. Step 5: Solve for x
    x = 146,937,293.87/12,498.16
  6. Step 6: Final answer
    x = 11,756.71

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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.