Home / 7,839.10-10,817.92-4,302.37

Finding the Fourth Proportional to 7,839.10, 10,817.92 and 4,302.37

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Solution

The fourth proportional to 7,839.10, 10,817.92 and 4,302.37 is: 5,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.10 : 10,817.92 = 4,302.37 : x
  2. Step 2: Convert to fraction form
    7,839.10/10,817.92 = 4,302.37/x
  3. Step 3: Cross multiply
    7,839.10x = 10,817.92 × 4,302.37
  4. Step 4: Simplify right side
    7,839.10x = 46,542,694.47
  5. Step 5: Solve for x
    x = 46,542,694.47/7,839.10
  6. Step 6: Final answer
    x = 5,937.25

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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.