Home / 9,117.06-13,676.36-2,543.24

Finding the Fourth Proportional to 9,117.06, 13,676.36 and 2,543.24

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Solution

The fourth proportional to 9,117.06, 13,676.36 and 2,543.24 is: 3,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.06 : 13,676.36 = 2,543.24 : x
  2. Step 2: Convert to fraction form
    9,117.06/13,676.36 = 2,543.24/x
  3. Step 3: Cross multiply
    9,117.06x = 13,676.36 × 2,543.24
  4. Step 4: Simplify right side
    9,117.06x = 34,782,287.28
  5. Step 5: Solve for x
    x = 34,782,287.28/9,117.06
  6. Step 6: Final answer
    x = 3,815.08

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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.