Home / 7,943.91-11,907.22-5,982.63

Finding the Fourth Proportional to 7,943.91, 11,907.22 and 5,982.63

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Solution

The fourth proportional to 7,943.91, 11,907.22 and 5,982.63 is: 8,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.91 : 11,907.22 = 5,982.63 : x
  2. Step 2: Convert to fraction form
    7,943.91/11,907.22 = 5,982.63/x
  3. Step 3: Cross multiply
    7,943.91x = 11,907.22 × 5,982.63
  4. Step 4: Simplify right side
    7,943.91x = 71,236,417.10
  5. Step 5: Solve for x
    x = 71,236,417.10/7,943.91
  6. Step 6: Final answer
    x = 8,967.43

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1.5x scale

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.