Home / 6,630.10-9,149.54-3,646.13

Finding the Fourth Proportional to 6,630.10, 9,149.54 and 3,646.13

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Solution

The fourth proportional to 6,630.10, 9,149.54 and 3,646.13 is: 5,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.10 : 9,149.54 = 3,646.13 : x
  2. Step 2: Convert to fraction form
    6,630.10/9,149.54 = 3,646.13/x
  3. Step 3: Cross multiply
    6,630.10x = 9,149.54 × 3,646.13
  4. Step 4: Simplify right side
    6,630.10x = 33,360,412.28
  5. Step 5: Solve for x
    x = 33,360,412.28/6,630.10
  6. Step 6: Final answer
    x = 5,031.66

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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.