Home / 8,926.63-13,390.84-3,305.80

Finding the Fourth Proportional to 8,926.63, 13,390.84 and 3,305.80

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Solution

The fourth proportional to 8,926.63, 13,390.84 and 3,305.80 is: 4,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.63 : 13,390.84 = 3,305.80 : x
  2. Step 2: Convert to fraction form
    8,926.63/13,390.84 = 3,305.80/x
  3. Step 3: Cross multiply
    8,926.63x = 13,390.84 × 3,305.80
  4. Step 4: Simplify right side
    8,926.63x = 44,267,478.81
  5. Step 5: Solve for x
    x = 44,267,478.81/8,926.63
  6. Step 6: Final answer
    x = 4,959.04

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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.