Home / 7,649.18-11,473.81-3,486.36

Finding the Fourth Proportional to 7,649.18, 11,473.81 and 3,486.36

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Solution

The fourth proportional to 7,649.18, 11,473.81 and 3,486.36 is: 5,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.18 : 11,473.81 = 3,486.36 : x
  2. Step 2: Convert to fraction form
    7,649.18/11,473.81 = 3,486.36/x
  3. Step 3: Cross multiply
    7,649.18x = 11,473.81 × 3,486.36
  4. Step 4: Simplify right side
    7,649.18x = 40,001,832.23
  5. Step 5: Solve for x
    x = 40,001,832.23/7,649.18
  6. Step 6: Final answer
    x = 5,229.56

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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.