Home / 9,943.75-13,721.72-5,467.08

Finding the Fourth Proportional to 9,943.75, 13,721.72 and 5,467.08

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Solution

The fourth proportional to 9,943.75, 13,721.72 and 5,467.08 is: 7,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.75 : 13,721.72 = 5,467.08 : x
  2. Step 2: Convert to fraction form
    9,943.75/13,721.72 = 5,467.08/x
  3. Step 3: Cross multiply
    9,943.75x = 13,721.72 × 5,467.08
  4. Step 4: Simplify right side
    9,943.75x = 75,017,740.98
  5. Step 5: Solve for x
    x = 75,017,740.98/9,943.75
  6. Step 6: Final answer
    x = 7,544.21

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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.