Home / 9,867.52-13,616.40-5,676.04

Finding the Fourth Proportional to 9,867.52, 13,616.40 and 5,676.04

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Solution

The fourth proportional to 9,867.52, 13,616.40 and 5,676.04 is: 7,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.52 : 13,616.40 = 5,676.04 : x
  2. Step 2: Convert to fraction form
    9,867.52/13,616.40 = 5,676.04/x
  3. Step 3: Cross multiply
    9,867.52x = 13,616.40 × 5,676.04
  4. Step 4: Simplify right side
    9,867.52x = 77,287,231.06
  5. Step 5: Solve for x
    x = 77,287,231.06/9,867.52
  6. Step 6: Final answer
    x = 7,832.49

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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.