Home / 7,722.97-11,485.10-7,476.93

Finding the Fourth Proportional to 7,722.97, 11,485.10 and 7,476.93

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Solution

The fourth proportional to 7,722.97, 11,485.10 and 7,476.93 is: 11,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.97 : 11,485.10 = 7,476.93 : x
  2. Step 2: Convert to fraction form
    7,722.97/11,485.10 = 7,476.93/x
  3. Step 3: Cross multiply
    7,722.97x = 11,485.10 × 7,476.93
  4. Step 4: Simplify right side
    7,722.97x = 85,873,307.44
  5. Step 5: Solve for x
    x = 85,873,307.44/7,722.97
  6. Step 6: Final answer
    x = 11,119.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.