Home / 8,855.19-13,271.33-4,109.61

Finding the Fourth Proportional to 8,855.19, 13,271.33 and 4,109.61

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Solution

The fourth proportional to 8,855.19, 13,271.33 and 4,109.61 is: 6,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.19 : 13,271.33 = 4,109.61 : x
  2. Step 2: Convert to fraction form
    8,855.19/13,271.33 = 4,109.61/x
  3. Step 3: Cross multiply
    8,855.19x = 13,271.33 × 4,109.61
  4. Step 4: Simplify right side
    8,855.19x = 54,539,969.93
  5. Step 5: Solve for x
    x = 54,539,969.93/8,855.19
  6. Step 6: Final answer
    x = 6,159.10

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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.