Home / 9,148.41-13,729.91-3,603.15

Finding the Fourth Proportional to 9,148.41, 13,729.91 and 3,603.15

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Solution

The fourth proportional to 9,148.41, 13,729.91 and 3,603.15 is: 5,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.41 : 13,729.91 = 3,603.15 : x
  2. Step 2: Convert to fraction form
    9,148.41/13,729.91 = 3,603.15/x
  3. Step 3: Cross multiply
    9,148.41x = 13,729.91 × 3,603.15
  4. Step 4: Simplify right side
    9,148.41x = 49,470,907.20
  5. Step 5: Solve for x
    x = 49,470,907.20/9,148.41
  6. Step 6: Final answer
    x = 5,407.60

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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.