Home / 10,013.51-15,015.12-5,854.43

Finding the Fourth Proportional to 10,013.51, 15,015.12 and 5,854.43

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Solution

The fourth proportional to 10,013.51, 15,015.12 and 5,854.43 is: 8,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.51 : 15,015.12 = 5,854.43 : x
  2. Step 2: Convert to fraction form
    10,013.51/15,015.12 = 5,854.43/x
  3. Step 3: Cross multiply
    10,013.51x = 15,015.12 × 5,854.43
  4. Step 4: Simplify right side
    10,013.51x = 87,904,968.98
  5. Step 5: Solve for x
    x = 87,904,968.98/10,013.51
  6. Step 6: Final answer
    x = 8,778.64

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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.