Home / 10,022.76-13,831.68-6,659.76

Finding the Fourth Proportional to 10,022.76, 13,831.68 and 6,659.76

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Solution

The fourth proportional to 10,022.76, 13,831.68 and 6,659.76 is: 9,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.76 : 13,831.68 = 6,659.76 : x
  2. Step 2: Convert to fraction form
    10,022.76/13,831.68 = 6,659.76/x
  3. Step 3: Cross multiply
    10,022.76x = 13,831.68 × 6,659.76
  4. Step 4: Simplify right side
    10,022.76x = 92,115,669.20
  5. Step 5: Solve for x
    x = 92,115,669.20/10,022.76
  6. Step 6: Final answer
    x = 9,190.65

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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.