Home / 7,713.82-10,647.68-5,482.19

Finding the Fourth Proportional to 7,713.82, 10,647.68 and 5,482.19

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Solution

The fourth proportional to 7,713.82, 10,647.68 and 5,482.19 is: 7,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.82 : 10,647.68 = 5,482.19 : x
  2. Step 2: Convert to fraction form
    7,713.82/10,647.68 = 5,482.19/x
  3. Step 3: Cross multiply
    7,713.82x = 10,647.68 × 5,482.19
  4. Step 4: Simplify right side
    7,713.82x = 58,372,604.03
  5. Step 5: Solve for x
    x = 58,372,604.03/7,713.82
  6. Step 6: Final answer
    x = 7,567.27

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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.