Home / 7,327.50-10,112.07-5,235.18

Finding the Fourth Proportional to 7,327.50, 10,112.07 and 5,235.18

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Solution

The fourth proportional to 7,327.50, 10,112.07 and 5,235.18 is: 7,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.50 : 10,112.07 = 5,235.18 : x
  2. Step 2: Convert to fraction form
    7,327.50/10,112.07 = 5,235.18/x
  3. Step 3: Cross multiply
    7,327.50x = 10,112.07 × 5,235.18
  4. Step 4: Simplify right side
    7,327.50x = 52,938,506.62
  5. Step 5: Solve for x
    x = 52,938,506.62/7,327.50
  6. Step 6: Final answer
    x = 7,224.63

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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.