Home / 7,042.04-10,563-2,111.72

Finding the Fourth Proportional to 7,042.04, 10,563 and 2,111.72

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Solution

The fourth proportional to 7,042.04, 10,563 and 2,111.72 is: 3,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.04 : 10,563 = 2,111.72 : x
  2. Step 2: Convert to fraction form
    7,042.04/10,563 = 2,111.72/x
  3. Step 3: Cross multiply
    7,042.04x = 10,563 × 2,111.72
  4. Step 4: Simplify right side
    7,042.04x = 22,306,098.36
  5. Step 5: Solve for x
    x = 22,306,098.36/7,042.04
  6. Step 6: Final answer
    x = 3,167.56

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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.