Home / 8,831.12-13,244.63-3,287.08

Finding the Fourth Proportional to 8,831.12, 13,244.63 and 3,287.08

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Solution

The fourth proportional to 8,831.12, 13,244.63 and 3,287.08 is: 4,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.12 : 13,244.63 = 3,287.08 : x
  2. Step 2: Convert to fraction form
    8,831.12/13,244.63 = 3,287.08/x
  3. Step 3: Cross multiply
    8,831.12x = 13,244.63 × 3,287.08
  4. Step 4: Simplify right side
    8,831.12x = 43,536,117.05
  5. Step 5: Solve for x
    x = 43,536,117.05/8,831.12
  6. Step 6: Final answer
    x = 4,929.85

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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.