Home / 6,655.87-9,186.70-4,002.77

Finding the Fourth Proportional to 6,655.87, 9,186.70 and 4,002.77

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Solution

The fourth proportional to 6,655.87, 9,186.70 and 4,002.77 is: 5,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.87 : 9,186.70 = 4,002.77 : x
  2. Step 2: Convert to fraction form
    6,655.87/9,186.70 = 4,002.77/x
  3. Step 3: Cross multiply
    6,655.87x = 9,186.70 × 4,002.77
  4. Step 4: Simplify right side
    6,655.87x = 36,772,247.16
  5. Step 5: Solve for x
    x = 36,772,247.16/6,655.87
  6. Step 6: Final answer
    x = 5,524.78

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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.