Home / 7,211.84-9,952.49-4,025.36

Finding the Fourth Proportional to 7,211.84, 9,952.49 and 4,025.36

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Solution

The fourth proportional to 7,211.84, 9,952.49 and 4,025.36 is: 5,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.84 : 9,952.49 = 4,025.36 : x
  2. Step 2: Convert to fraction form
    7,211.84/9,952.49 = 4,025.36/x
  3. Step 3: Cross multiply
    7,211.84x = 9,952.49 × 4,025.36
  4. Step 4: Simplify right side
    7,211.84x = 40,062,355.15
  5. Step 5: Solve for x
    x = 40,062,355.15/7,211.84
  6. Step 6: Final answer
    x = 5,555.08

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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.