Home / 9,964.11-13,750.38-5,487.93

Finding the Fourth Proportional to 9,964.11, 13,750.38 and 5,487.93

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Solution

The fourth proportional to 9,964.11, 13,750.38 and 5,487.93 is: 7,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.11 : 13,750.38 = 5,487.93 : x
  2. Step 2: Convert to fraction form
    9,964.11/13,750.38 = 5,487.93/x
  3. Step 3: Cross multiply
    9,964.11x = 13,750.38 × 5,487.93
  4. Step 4: Simplify right side
    9,964.11x = 75,461,122.91
  5. Step 5: Solve for x
    x = 75,461,122.91/9,964.11
  6. Step 6: Final answer
    x = 7,573.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.