Home / 11,310.06-15,605.10-6,774.24

Finding the Fourth Proportional to 11,310.06, 15,605.10 and 6,774.24

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Solution

The fourth proportional to 11,310.06, 15,605.10 and 6,774.24 is: 9,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.06 : 15,605.10 = 6,774.24 : x
  2. Step 2: Convert to fraction form
    11,310.06/15,605.10 = 6,774.24/x
  3. Step 3: Cross multiply
    11,310.06x = 15,605.10 × 6,774.24
  4. Step 4: Simplify right side
    11,310.06x = 105,712,692.62
  5. Step 5: Solve for x
    x = 105,712,692.62/11,310.06
  6. Step 6: Final answer
    x = 9,346.78

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1.5x scale

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.