Home / 8,831.11-12,181.52-5,243.63

Finding the Fourth Proportional to 8,831.11, 12,181.52 and 5,243.63

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Solution

The fourth proportional to 8,831.11, 12,181.52 and 5,243.63 is: 7,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.11 : 12,181.52 = 5,243.63 : x
  2. Step 2: Convert to fraction form
    8,831.11/12,181.52 = 5,243.63/x
  3. Step 3: Cross multiply
    8,831.11x = 12,181.52 × 5,243.63
  4. Step 4: Simplify right side
    8,831.11x = 63,875,404.44
  5. Step 5: Solve for x
    x = 63,875,404.44/8,831.11
  6. Step 6: Final answer
    x = 7,233.00

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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.