Home / 12,556.97-17,300.11-9,714.56

Finding the Fourth Proportional to 12,556.97, 17,300.11 and 9,714.56

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Solution

The fourth proportional to 12,556.97, 17,300.11 and 9,714.56 is: 13,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.97 : 17,300.11 = 9,714.56 : x
  2. Step 2: Convert to fraction form
    12,556.97/17,300.11 = 9,714.56/x
  3. Step 3: Cross multiply
    12,556.97x = 17,300.11 × 9,714.56
  4. Step 4: Simplify right side
    12,556.97x = 168,062,956.60
  5. Step 5: Solve for x
    x = 168,062,956.60/12,556.97
  6. Step 6: Final answer
    x = 13,384.04

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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.