Home / 9,943.11-13,721.49-5,467.23

Finding the Fourth Proportional to 9,943.11, 13,721.49 and 5,467.23

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Solution

The fourth proportional to 9,943.11, 13,721.49 and 5,467.23 is: 7,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.11 : 13,721.49 = 5,467.23 : x
  2. Step 2: Convert to fraction form
    9,943.11/13,721.49 = 5,467.23/x
  3. Step 3: Cross multiply
    9,943.11x = 13,721.49 × 5,467.23
  4. Step 4: Simplify right side
    9,943.11x = 75,018,541.77
  5. Step 5: Solve for x
    x = 75,018,541.77/9,943.11
  6. Step 6: Final answer
    x = 7,544.78

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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.