Home / 7,115.02-10,674.11-2,185.16

Finding the Fourth Proportional to 7,115.02, 10,674.11 and 2,185.16

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Solution

The fourth proportional to 7,115.02, 10,674.11 and 2,185.16 is: 3,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.02 : 10,674.11 = 2,185.16 : x
  2. Step 2: Convert to fraction form
    7,115.02/10,674.11 = 2,185.16/x
  3. Step 3: Cross multiply
    7,115.02x = 10,674.11 × 2,185.16
  4. Step 4: Simplify right side
    7,115.02x = 23,324,590.30
  5. Step 5: Solve for x
    x = 23,324,590.30/7,115.02
  6. Step 6: Final answer
    x = 3,278.22

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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.