Home / 7,387.65-11,086.34-4,226.22

Finding the Fourth Proportional to 7,387.65, 11,086.34 and 4,226.22

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Solution

The fourth proportional to 7,387.65, 11,086.34 and 4,226.22 is: 6,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.65 : 11,086.34 = 4,226.22 : x
  2. Step 2: Convert to fraction form
    7,387.65/11,086.34 = 4,226.22/x
  3. Step 3: Cross multiply
    7,387.65x = 11,086.34 × 4,226.22
  4. Step 4: Simplify right side
    7,387.65x = 46,853,290.70
  5. Step 5: Solve for x
    x = 46,853,290.70/7,387.65
  6. Step 6: Final answer
    x = 6,342.11

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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.