Home / 12,337.20-17,025.66-7,556.58

Finding the Fourth Proportional to 12,337.20, 17,025.66 and 7,556.58

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Solution

The fourth proportional to 12,337.20, 17,025.66 and 7,556.58 is: 10,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.20 : 17,025.66 = 7,556.58 : x
  2. Step 2: Convert to fraction form
    12,337.20/17,025.66 = 7,556.58/x
  3. Step 3: Cross multiply
    12,337.20x = 17,025.66 × 7,556.58
  4. Step 4: Simplify right side
    12,337.20x = 128,655,761.84
  5. Step 5: Solve for x
    x = 128,655,761.84/12,337.20
  6. Step 6: Final answer
    x = 10,428.28

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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.