Home / 12,271.65-18,408.33-3,506.64

Finding the Fourth Proportional to 12,271.65, 18,408.33 and 3,506.64

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Solution

The fourth proportional to 12,271.65, 18,408.33 and 3,506.64 is: 5,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.65 : 18,408.33 = 3,506.64 : x
  2. Step 2: Convert to fraction form
    12,271.65/18,408.33 = 3,506.64/x
  3. Step 3: Cross multiply
    12,271.65x = 18,408.33 × 3,506.64
  4. Step 4: Simplify right side
    12,271.65x = 64,551,386.31
  5. Step 5: Solve for x
    x = 64,551,386.31/12,271.65
  6. Step 6: Final answer
    x = 5,260.20

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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.