Home / 8,831.24-12,187.08-5,054.39

Finding the Fourth Proportional to 8,831.24, 12,187.08 and 5,054.39

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Solution

The fourth proportional to 8,831.24, 12,187.08 and 5,054.39 is: 6,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.24 : 12,187.08 = 5,054.39 : x
  2. Step 2: Convert to fraction form
    8,831.24/12,187.08 = 5,054.39/x
  3. Step 3: Cross multiply
    8,831.24x = 12,187.08 × 5,054.39
  4. Step 4: Simplify right side
    8,831.24x = 61,598,285.75
  5. Step 5: Solve for x
    x = 61,598,285.75/8,831.24
  6. Step 6: Final answer
    x = 6,975.04

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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.