Home / 8,603.05-11,872.89-5,066.95

Finding the Fourth Proportional to 8,603.05, 11,872.89 and 5,066.95

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Solution

The fourth proportional to 8,603.05, 11,872.89 and 5,066.95 is: 6,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.05 : 11,872.89 = 5,066.95 : x
  2. Step 2: Convert to fraction form
    8,603.05/11,872.89 = 5,066.95/x
  3. Step 3: Cross multiply
    8,603.05x = 11,872.89 × 5,066.95
  4. Step 4: Simplify right side
    8,603.05x = 60,159,339.99
  5. Step 5: Solve for x
    x = 60,159,339.99/8,603.05
  6. Step 6: Final answer
    x = 6,992.79

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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.