Home / 12,525.68-17,285.72-6,860.56

Finding the Fourth Proportional to 12,525.68, 17,285.72 and 6,860.56

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Solution

The fourth proportional to 12,525.68, 17,285.72 and 6,860.56 is: 9,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.68 : 17,285.72 = 6,860.56 : x
  2. Step 2: Convert to fraction form
    12,525.68/17,285.72 = 6,860.56/x
  3. Step 3: Cross multiply
    12,525.68x = 17,285.72 × 6,860.56
  4. Step 4: Simplify right side
    12,525.68x = 118,589,719.20
  5. Step 5: Solve for x
    x = 118,589,719.20/12,525.68
  6. Step 6: Final answer
    x = 9,467.73

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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.