Home / 6,651.12-9,178.13-3,666.98

Finding the Fourth Proportional to 6,651.12, 9,178.13 and 3,666.98

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Solution

The fourth proportional to 6,651.12, 9,178.13 and 3,666.98 is: 5,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.12 : 9,178.13 = 3,666.98 : x
  2. Step 2: Convert to fraction form
    6,651.12/9,178.13 = 3,666.98/x
  3. Step 3: Cross multiply
    6,651.12x = 9,178.13 × 3,666.98
  4. Step 4: Simplify right side
    6,651.12x = 33,655,954.92
  5. Step 5: Solve for x
    x = 33,655,954.92/6,651.12
  6. Step 6: Final answer
    x = 5,060.19

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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.