Home / 10,878.10-16,287.99-5,673.04

Finding the Fourth Proportional to 10,878.10, 16,287.99 and 5,673.04

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Solution

The fourth proportional to 10,878.10, 16,287.99 and 5,673.04 is: 8,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.10 : 16,287.99 = 5,673.04 : x
  2. Step 2: Convert to fraction form
    10,878.10/16,287.99 = 5,673.04/x
  3. Step 3: Cross multiply
    10,878.10x = 16,287.99 × 5,673.04
  4. Step 4: Simplify right side
    10,878.10x = 92,402,418.79
  5. Step 5: Solve for x
    x = 92,402,418.79/10,878.10
  6. Step 6: Final answer
    x = 8,494.35

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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.