Home / 11,831.19-17,749.54-3,933.13

Finding the Fourth Proportional to 11,831.19, 17,749.54 and 3,933.13

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Solution

The fourth proportional to 11,831.19, 17,749.54 and 3,933.13 is: 5,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.19 : 17,749.54 = 3,933.13 : x
  2. Step 2: Convert to fraction form
    11,831.19/17,749.54 = 3,933.13/x
  3. Step 3: Cross multiply
    11,831.19x = 17,749.54 × 3,933.13
  4. Step 4: Simplify right side
    11,831.19x = 69,811,248.26
  5. Step 5: Solve for x
    x = 69,811,248.26/11,831.19
  6. Step 6: Final answer
    x = 5,900.61

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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.