Home / 7,367.10-10,178.07-6,776.61

Finding the Fourth Proportional to 7,367.10, 10,178.07 and 6,776.61

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Solution

The fourth proportional to 7,367.10, 10,178.07 and 6,776.61 is: 9,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.10 : 10,178.07 = 6,776.61 : x
  2. Step 2: Convert to fraction form
    7,367.10/10,178.07 = 6,776.61/x
  3. Step 3: Cross multiply
    7,367.10x = 10,178.07 × 6,776.61
  4. Step 4: Simplify right side
    7,367.10x = 68,972,810.94
  5. Step 5: Solve for x
    x = 68,972,810.94/7,367.10
  6. Step 6: Final answer
    x = 9,362.27

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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.