Home / 7,185.16-10,771.80-4,998.16

Finding the Fourth Proportional to 7,185.16, 10,771.80 and 4,998.16

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Solution

The fourth proportional to 7,185.16, 10,771.80 and 4,998.16 is: 7,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.16 : 10,771.80 = 4,998.16 : x
  2. Step 2: Convert to fraction form
    7,185.16/10,771.80 = 4,998.16/x
  3. Step 3: Cross multiply
    7,185.16x = 10,771.80 × 4,998.16
  4. Step 4: Simplify right side
    7,185.16x = 53,839,179.89
  5. Step 5: Solve for x
    x = 53,839,179.89/7,185.16
  6. Step 6: Final answer
    x = 7,493.11

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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.