Home / 9,322.21-13,979.13-2,746.09

Finding the Fourth Proportional to 9,322.21, 13,979.13 and 2,746.09

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Solution

The fourth proportional to 9,322.21, 13,979.13 and 2,746.09 is: 4,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.21 : 13,979.13 = 2,746.09 : x
  2. Step 2: Convert to fraction form
    9,322.21/13,979.13 = 2,746.09/x
  3. Step 3: Cross multiply
    9,322.21x = 13,979.13 × 2,746.09
  4. Step 4: Simplify right side
    9,322.21x = 38,387,949.10
  5. Step 5: Solve for x
    x = 38,387,949.10/9,322.21
  6. Step 6: Final answer
    x = 4,117.90

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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.