Home / 9,725.67-13,420.62-5,476.55

Finding the Fourth Proportional to 9,725.67, 13,420.62 and 5,476.55

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Solution

The fourth proportional to 9,725.67, 13,420.62 and 5,476.55 is: 7,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.67 : 13,420.62 = 5,476.55 : x
  2. Step 2: Convert to fraction form
    9,725.67/13,420.62 = 5,476.55/x
  3. Step 3: Cross multiply
    9,725.67x = 13,420.62 × 5,476.55
  4. Step 4: Simplify right side
    9,725.67x = 73,498,629.36
  5. Step 5: Solve for x
    x = 73,498,629.36/9,725.67
  6. Step 6: Final answer
    x = 7,557.18

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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.