Home / 8,392.20-11,571.75-5,363.25

Finding the Fourth Proportional to 8,392.20, 11,571.75 and 5,363.25

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Solution

The fourth proportional to 8,392.20, 11,571.75 and 5,363.25 is: 7,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.20 : 11,571.75 = 5,363.25 : x
  2. Step 2: Convert to fraction form
    8,392.20/11,571.75 = 5,363.25/x
  3. Step 3: Cross multiply
    8,392.20x = 11,571.75 × 5,363.25
  4. Step 4: Simplify right side
    8,392.20x = 62,062,188.19
  5. Step 5: Solve for x
    x = 62,062,188.19/8,392.20
  6. Step 6: Final answer
    x = 7,395.22

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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.