Home / 8,619.16-12,925.54-3,071.03

Finding the Fourth Proportional to 8,619.16, 12,925.54 and 3,071.03

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Solution

The fourth proportional to 8,619.16, 12,925.54 and 3,071.03 is: 4,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.16 : 12,925.54 = 3,071.03 : x
  2. Step 2: Convert to fraction form
    8,619.16/12,925.54 = 3,071.03/x
  3. Step 3: Cross multiply
    8,619.16x = 12,925.54 × 3,071.03
  4. Step 4: Simplify right side
    8,619.16x = 39,694,745.74
  5. Step 5: Solve for x
    x = 39,694,745.74/8,619.16
  6. Step 6: Final answer
    x = 4,605.41

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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.