Home / 7,464.21-11,172.38-4,959.65

Finding the Fourth Proportional to 7,464.21, 11,172.38 and 4,959.65

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Solution

The fourth proportional to 7,464.21, 11,172.38 and 4,959.65 is: 7,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.21 : 11,172.38 = 4,959.65 : x
  2. Step 2: Convert to fraction form
    7,464.21/11,172.38 = 4,959.65/x
  3. Step 3: Cross multiply
    7,464.21x = 11,172.38 × 4,959.65
  4. Step 4: Simplify right side
    7,464.21x = 55,411,013.81
  5. Step 5: Solve for x
    x = 55,411,013.81/7,464.21
  6. Step 6: Final answer
    x = 7,423.56

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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.