Home / 11,363.56-15,679.14-6,649.32

Finding the Fourth Proportional to 11,363.56, 15,679.14 and 6,649.32

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Solution

The fourth proportional to 11,363.56, 15,679.14 and 6,649.32 is: 9,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.56 : 15,679.14 = 6,649.32 : x
  2. Step 2: Convert to fraction form
    11,363.56/15,679.14 = 6,649.32/x
  3. Step 3: Cross multiply
    11,363.56x = 15,679.14 × 6,649.32
  4. Step 4: Simplify right side
    11,363.56x = 104,255,619.18
  5. Step 5: Solve for x
    x = 104,255,619.18/11,363.56
  6. Step 6: Final answer
    x = 9,174.56

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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.