Home / 9,146.61-13,720.32-3,883.95

Finding the Fourth Proportional to 9,146.61, 13,720.32 and 3,883.95

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Solution

The fourth proportional to 9,146.61, 13,720.32 and 3,883.95 is: 5,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.61 : 13,720.32 = 3,883.95 : x
  2. Step 2: Convert to fraction form
    9,146.61/13,720.32 = 3,883.95/x
  3. Step 3: Cross multiply
    9,146.61x = 13,720.32 × 3,883.95
  4. Step 4: Simplify right side
    9,146.61x = 53,289,036.86
  5. Step 5: Solve for x
    x = 53,289,036.86/9,146.61
  6. Step 6: Final answer
    x = 5,826.10

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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.