Home / 7,554.25-11,331.78-5,356.72

Finding the Fourth Proportional to 7,554.25, 11,331.78 and 5,356.72

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Solution

The fourth proportional to 7,554.25, 11,331.78 and 5,356.72 is: 8,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.25 : 11,331.78 = 5,356.72 : x
  2. Step 2: Convert to fraction form
    7,554.25/11,331.78 = 5,356.72/x
  3. Step 3: Cross multiply
    7,554.25x = 11,331.78 × 5,356.72
  4. Step 4: Simplify right side
    7,554.25x = 60,701,172.56
  5. Step 5: Solve for x
    x = 60,701,172.56/7,554.25
  6. Step 6: Final answer
    x = 8,035.37

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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.