Home / 11,015.62-15,201.28-6,299.59

Finding the Fourth Proportional to 11,015.62, 15,201.28 and 6,299.59

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Solution

The fourth proportional to 11,015.62, 15,201.28 and 6,299.59 is: 8,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.62 : 15,201.28 = 6,299.59 : x
  2. Step 2: Convert to fraction form
    11,015.62/15,201.28 = 6,299.59/x
  3. Step 3: Cross multiply
    11,015.62x = 15,201.28 × 6,299.59
  4. Step 4: Simplify right side
    11,015.62x = 95,761,831.48
  5. Step 5: Solve for x
    x = 95,761,831.48/11,015.62
  6. Step 6: Final answer
    x = 8,693.28

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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.