Home / 6,525.45-9,001.72-4,008.12

Finding the Fourth Proportional to 6,525.45, 9,001.72 and 4,008.12

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Solution

The fourth proportional to 6,525.45, 9,001.72 and 4,008.12 is: 5,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.45 : 9,001.72 = 4,008.12 : x
  2. Step 2: Convert to fraction form
    6,525.45/9,001.72 = 4,008.12/x
  3. Step 3: Cross multiply
    6,525.45x = 9,001.72 × 4,008.12
  4. Step 4: Simplify right side
    6,525.45x = 36,079,973.97
  5. Step 5: Solve for x
    x = 36,079,973.97/6,525.45
  6. Step 6: Final answer
    x = 5,529.12

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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.