Home / 8,831.35-12,184.79-5,474.31

Finding the Fourth Proportional to 8,831.35, 12,184.79 and 5,474.31

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Solution

The fourth proportional to 8,831.35, 12,184.79 and 5,474.31 is: 7,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.35 : 12,184.79 = 5,474.31 : x
  2. Step 2: Convert to fraction form
    8,831.35/12,184.79 = 5,474.31/x
  3. Step 3: Cross multiply
    8,831.35x = 12,184.79 × 5,474.31
  4. Step 4: Simplify right side
    8,831.35x = 66,703,317.74
  5. Step 5: Solve for x
    x = 66,703,317.74/8,831.35
  6. Step 6: Final answer
    x = 7,553.01

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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.