Home / 6,517.45-9,776.18-2,135.35

Finding the Fourth Proportional to 6,517.45, 9,776.18 and 2,135.35

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Solution

The fourth proportional to 6,517.45, 9,776.18 and 2,135.35 is: 3,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.45 : 9,776.18 = 2,135.35 : x
  2. Step 2: Convert to fraction form
    6,517.45/9,776.18 = 2,135.35/x
  3. Step 3: Cross multiply
    6,517.45x = 9,776.18 × 2,135.35
  4. Step 4: Simplify right side
    6,517.45x = 20,875,555.29
  5. Step 5: Solve for x
    x = 20,875,555.29/6,517.45
  6. Step 6: Final answer
    x = 3,203.03

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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.