Home / 11,626.16-16,057.20-7,842.74

Finding the Fourth Proportional to 11,626.16, 16,057.20 and 7,842.74

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Solution

The fourth proportional to 11,626.16, 16,057.20 and 7,842.74 is: 10,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.16 : 16,057.20 = 7,842.74 : x
  2. Step 2: Convert to fraction form
    11,626.16/16,057.20 = 7,842.74/x
  3. Step 3: Cross multiply
    11,626.16x = 16,057.20 × 7,842.74
  4. Step 4: Simplify right side
    11,626.16x = 125,932,444.73
  5. Step 5: Solve for x
    x = 125,932,444.73/11,626.16
  6. Step 6: Final answer
    x = 10,831.82

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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.