Home / 6,525.84-9,788.92-2,143.12

Finding the Fourth Proportional to 6,525.84, 9,788.92 and 2,143.12

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Solution

The fourth proportional to 6,525.84, 9,788.92 and 2,143.12 is: 3,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.84 : 9,788.92 = 2,143.12 : x
  2. Step 2: Convert to fraction form
    6,525.84/9,788.92 = 2,143.12/x
  3. Step 3: Cross multiply
    6,525.84x = 9,788.92 × 2,143.12
  4. Step 4: Simplify right side
    6,525.84x = 20,978,830.23
  5. Step 5: Solve for x
    x = 20,978,830.23/6,525.84
  6. Step 6: Final answer
    x = 3,214.73

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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.