Home / 9,219.61-13,831.17-3,376.54

Finding the Fourth Proportional to 9,219.61, 13,831.17 and 3,376.54

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Solution

The fourth proportional to 9,219.61, 13,831.17 and 3,376.54 is: 5,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.61 : 13,831.17 = 3,376.54 : x
  2. Step 2: Convert to fraction form
    9,219.61/13,831.17 = 3,376.54/x
  3. Step 3: Cross multiply
    9,219.61x = 13,831.17 × 3,376.54
  4. Step 4: Simplify right side
    9,219.61x = 46,701,498.75
  5. Step 5: Solve for x
    x = 46,701,498.75/9,219.61
  6. Step 6: Final answer
    x = 5,065.45

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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.