Home / 6,630.06-9,149.72-3,646.16

Finding the Fourth Proportional to 6,630.06, 9,149.72 and 3,646.16

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Solution

The fourth proportional to 6,630.06, 9,149.72 and 3,646.16 is: 5,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.06 : 9,149.72 = 3,646.16 : x
  2. Step 2: Convert to fraction form
    6,630.06/9,149.72 = 3,646.16/x
  3. Step 3: Cross multiply
    6,630.06x = 9,149.72 × 3,646.16
  4. Step 4: Simplify right side
    6,630.06x = 33,361,343.08
  5. Step 5: Solve for x
    x = 33,361,343.08/6,630.06
  6. Step 6: Final answer
    x = 5,031.83

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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.