Home / 8,696.04-13,040.78-3,148.01

Finding the Fourth Proportional to 8,696.04, 13,040.78 and 3,148.01

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Solution

The fourth proportional to 8,696.04, 13,040.78 and 3,148.01 is: 4,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.04 : 13,040.78 = 3,148.01 : x
  2. Step 2: Convert to fraction form
    8,696.04/13,040.78 = 3,148.01/x
  3. Step 3: Cross multiply
    8,696.04x = 13,040.78 × 3,148.01
  4. Step 4: Simplify right side
    8,696.04x = 41,052,424.90
  5. Step 5: Solve for x
    x = 41,052,424.90/8,696.04
  6. Step 6: Final answer
    x = 4,720.82

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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.