Home / 12,831.90-19,249.11-5,333.91

Finding the Fourth Proportional to 12,831.90, 19,249.11 and 5,333.91

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Solution

The fourth proportional to 12,831.90, 19,249.11 and 5,333.91 is: 8,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.90 : 19,249.11 = 5,333.91 : x
  2. Step 2: Convert to fraction form
    12,831.90/19,249.11 = 5,333.91/x
  3. Step 3: Cross multiply
    12,831.90x = 19,249.11 × 5,333.91
  4. Step 4: Simplify right side
    12,831.90x = 102,673,020.32
  5. Step 5: Solve for x
    x = 102,673,020.32/12,831.90
  6. Step 6: Final answer
    x = 8,001.39

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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.