Home / 10,253.11-15,359.69-6,493.36

Finding the Fourth Proportional to 10,253.11, 15,359.69 and 6,493.36

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Solution

The fourth proportional to 10,253.11, 15,359.69 and 6,493.36 is: 9,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.11 : 15,359.69 = 6,493.36 : x
  2. Step 2: Convert to fraction form
    10,253.11/15,359.69 = 6,493.36/x
  3. Step 3: Cross multiply
    10,253.11x = 15,359.69 × 6,493.36
  4. Step 4: Simplify right side
    10,253.11x = 99,735,964.19
  5. Step 5: Solve for x
    x = 99,735,964.19/10,253.11
  6. Step 6: Final answer
    x = 9,727.39

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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.