Home / 11,903.18-17,831.54-5,654.30

Finding the Fourth Proportional to 11,903.18, 17,831.54 and 5,654.30

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Solution

The fourth proportional to 11,903.18, 17,831.54 and 5,654.30 is: 8,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.18 : 17,831.54 = 5,654.30 : x
  2. Step 2: Convert to fraction form
    11,903.18/17,831.54 = 5,654.30/x
  3. Step 3: Cross multiply
    11,903.18x = 17,831.54 × 5,654.30
  4. Step 4: Simplify right side
    11,903.18x = 100,824,876.62
  5. Step 5: Solve for x
    x = 100,824,876.62/11,903.18
  6. Step 6: Final answer
    x = 8,470.42

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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.