Home / 11,319.88-15,616.58-6,841.04

Finding the Fourth Proportional to 11,319.88, 15,616.58 and 6,841.04

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Solution

The fourth proportional to 11,319.88, 15,616.58 and 6,841.04 is: 9,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.88 : 15,616.58 = 6,841.04 : x
  2. Step 2: Convert to fraction form
    11,319.88/15,616.58 = 6,841.04/x
  3. Step 3: Cross multiply
    11,319.88x = 15,616.58 × 6,841.04
  4. Step 4: Simplify right side
    11,319.88x = 106,833,648.44
  5. Step 5: Solve for x
    x = 106,833,648.44/11,319.88
  6. Step 6: Final answer
    x = 9,437.70

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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.