Home / 7,791.18-10,748.09-5,663.41

Finding the Fourth Proportional to 7,791.18, 10,748.09 and 5,663.41

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Solution

The fourth proportional to 7,791.18, 10,748.09 and 5,663.41 is: 7,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.18 : 10,748.09 = 5,663.41 : x
  2. Step 2: Convert to fraction form
    7,791.18/10,748.09 = 5,663.41/x
  3. Step 3: Cross multiply
    7,791.18x = 10,748.09 × 5,663.41
  4. Step 4: Simplify right side
    7,791.18x = 60,870,827.68
  5. Step 5: Solve for x
    x = 60,870,827.68/7,791.18
  6. Step 6: Final answer
    x = 7,812.79

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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.