Home / 9,949.52-13,734.69-6,720.08

Finding the Fourth Proportional to 9,949.52, 13,734.69 and 6,720.08

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Solution

The fourth proportional to 9,949.52, 13,734.69 and 6,720.08 is: 9,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.52 : 13,734.69 = 6,720.08 : x
  2. Step 2: Convert to fraction form
    9,949.52/13,734.69 = 6,720.08/x
  3. Step 3: Cross multiply
    9,949.52x = 13,734.69 × 6,720.08
  4. Step 4: Simplify right side
    9,949.52x = 92,298,215.58
  5. Step 5: Solve for x
    x = 92,298,215.58/9,949.52
  6. Step 6: Final answer
    x = 9,276.65

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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.