Home / 6,630.19-9,149.87-3,646.24

Finding the Fourth Proportional to 6,630.19, 9,149.87 and 3,646.24

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Solution

The fourth proportional to 6,630.19, 9,149.87 and 3,646.24 is: 5,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.19 : 9,149.87 = 3,646.24 : x
  2. Step 2: Convert to fraction form
    6,630.19/9,149.87 = 3,646.24/x
  3. Step 3: Cross multiply
    6,630.19x = 9,149.87 × 3,646.24
  4. Step 4: Simplify right side
    6,630.19x = 33,362,608.23
  5. Step 5: Solve for x
    x = 33,362,608.23/6,630.19
  6. Step 6: Final answer
    x = 5,031.93

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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.