Home / 12,552.72-18,838.80-6,714.24

Finding the Fourth Proportional to 12,552.72, 18,838.80 and 6,714.24

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Solution

The fourth proportional to 12,552.72, 18,838.80 and 6,714.24 is: 10,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.72 : 18,838.80 = 6,714.24 : x
  2. Step 2: Convert to fraction form
    12,552.72/18,838.80 = 6,714.24/x
  3. Step 3: Cross multiply
    12,552.72x = 18,838.80 × 6,714.24
  4. Step 4: Simplify right side
    12,552.72x = 126,488,224.51
  5. Step 5: Solve for x
    x = 126,488,224.51/12,552.72
  6. Step 6: Final answer
    x = 10,076.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.