Home / 8,831.12-13,246.80-2,257.36

Finding the Fourth Proportional to 8,831.12, 13,246.80 and 2,257.36

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Solution

The fourth proportional to 8,831.12, 13,246.80 and 2,257.36 is: 3,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.12 : 13,246.80 = 2,257.36 : x
  2. Step 2: Convert to fraction form
    8,831.12/13,246.80 = 2,257.36/x
  3. Step 3: Cross multiply
    8,831.12x = 13,246.80 × 2,257.36
  4. Step 4: Simplify right side
    8,831.12x = 29,902,796.45
  5. Step 5: Solve for x
    x = 29,902,796.45/8,831.12
  6. Step 6: Final answer
    x = 3,386.07

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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.