Home / 6,649.96-9,962.16-3,719.38

Finding the Fourth Proportional to 6,649.96, 9,962.16 and 3,719.38

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Solution

The fourth proportional to 6,649.96, 9,962.16 and 3,719.38 is: 5,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.96 : 9,962.16 = 3,719.38 : x
  2. Step 2: Convert to fraction form
    6,649.96/9,962.16 = 3,719.38/x
  3. Step 3: Cross multiply
    6,649.96x = 9,962.16 × 3,719.38
  4. Step 4: Simplify right side
    6,649.96x = 37,053,058.66
  5. Step 5: Solve for x
    x = 37,053,058.66/6,649.96
  6. Step 6: Final answer
    x = 5,571.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.