Home / 7,950.66-11,925.37-2,686.11

Finding the Fourth Proportional to 7,950.66, 11,925.37 and 2,686.11

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Solution

The fourth proportional to 7,950.66, 11,925.37 and 2,686.11 is: 4,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.66 : 11,925.37 = 2,686.11 : x
  2. Step 2: Convert to fraction form
    7,950.66/11,925.37 = 2,686.11/x
  3. Step 3: Cross multiply
    7,950.66x = 11,925.37 × 2,686.11
  4. Step 4: Simplify right side
    7,950.66x = 32,032,855.61
  5. Step 5: Solve for x
    x = 32,032,855.61/7,950.66
  6. Step 6: Final answer
    x = 4,028.96

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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.