Home / 11,130.26-16,703.85-4,116.90

Finding the Fourth Proportional to 11,130.26, 16,703.85 and 4,116.90

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Solution

The fourth proportional to 11,130.26, 16,703.85 and 4,116.90 is: 6,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.26 : 16,703.85 = 4,116.90 : x
  2. Step 2: Convert to fraction form
    11,130.26/16,703.85 = 4,116.90/x
  3. Step 3: Cross multiply
    11,130.26x = 16,703.85 × 4,116.90
  4. Step 4: Simplify right side
    11,130.26x = 68,768,101.24
  5. Step 5: Solve for x
    x = 68,768,101.24/11,130.26
  6. Step 6: Final answer
    x = 6,178.48

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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.