Home / 10,864.36-16,281.79-4,616.53

Finding the Fourth Proportional to 10,864.36, 16,281.79 and 4,616.53

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Solution

The fourth proportional to 10,864.36, 16,281.79 and 4,616.53 is: 6,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.36 : 16,281.79 = 4,616.53 : x
  2. Step 2: Convert to fraction form
    10,864.36/16,281.79 = 4,616.53/x
  3. Step 3: Cross multiply
    10,864.36x = 16,281.79 × 4,616.53
  4. Step 4: Simplify right side
    10,864.36x = 75,165,371.99
  5. Step 5: Solve for x
    x = 75,165,371.99/10,864.36
  6. Step 6: Final answer
    x = 6,918.53

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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.