Home / 9,042.57-13,563.99-2,802.51

Finding the Fourth Proportional to 9,042.57, 13,563.99 and 2,802.51

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Solution

The fourth proportional to 9,042.57, 13,563.99 and 2,802.51 is: 4,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.57 : 13,563.99 = 2,802.51 : x
  2. Step 2: Convert to fraction form
    9,042.57/13,563.99 = 2,802.51/x
  3. Step 3: Cross multiply
    9,042.57x = 13,563.99 × 2,802.51
  4. Step 4: Simplify right side
    9,042.57x = 38,013,217.61
  5. Step 5: Solve for x
    x = 38,013,217.61/9,042.57
  6. Step 6: Final answer
    x = 4,203.81

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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.