Home / 6,685.98-9,226.80-4,332.21

Finding the Fourth Proportional to 6,685.98, 9,226.80 and 4,332.21

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Solution

The fourth proportional to 6,685.98, 9,226.80 and 4,332.21 is: 5,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.98 : 9,226.80 = 4,332.21 : x
  2. Step 2: Convert to fraction form
    6,685.98/9,226.80 = 4,332.21/x
  3. Step 3: Cross multiply
    6,685.98x = 9,226.80 × 4,332.21
  4. Step 4: Simplify right side
    6,685.98x = 39,972,435.23
  5. Step 5: Solve for x
    x = 39,972,435.23/6,685.98
  6. Step 6: Final answer
    x = 5,978.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.