Home / 7,907.18-11,860.70-3,226.14

Finding the Fourth Proportional to 7,907.18, 11,860.70 and 3,226.14

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Solution

The fourth proportional to 7,907.18, 11,860.70 and 3,226.14 is: 4,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.18 : 11,860.70 = 3,226.14 : x
  2. Step 2: Convert to fraction form
    7,907.18/11,860.70 = 3,226.14/x
  3. Step 3: Cross multiply
    7,907.18x = 11,860.70 × 3,226.14
  4. Step 4: Simplify right side
    7,907.18x = 38,264,278.70
  5. Step 5: Solve for x
    x = 38,264,278.70/7,907.18
  6. Step 6: Final answer
    x = 4,839.18

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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.