Home / 6,525.12-9,001.68-3,871.56

Finding the Fourth Proportional to 6,525.12, 9,001.68 and 3,871.56

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Solution

The fourth proportional to 6,525.12, 9,001.68 and 3,871.56 is: 5,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.12 : 9,001.68 = 3,871.56 : x
  2. Step 2: Convert to fraction form
    6,525.12/9,001.68 = 3,871.56/x
  3. Step 3: Cross multiply
    6,525.12x = 9,001.68 × 3,871.56
  4. Step 4: Simplify right side
    6,525.12x = 34,850,585.24
  5. Step 5: Solve for x
    x = 34,850,585.24/6,525.12
  6. Step 6: Final answer
    x = 5,340.98

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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.