Home / 8,603.82-11,873.39-5,018.68

Finding the Fourth Proportional to 8,603.82, 11,873.39 and 5,018.68

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Solution

The fourth proportional to 8,603.82, 11,873.39 and 5,018.68 is: 6,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.82 : 11,873.39 = 5,018.68 : x
  2. Step 2: Convert to fraction form
    8,603.82/11,873.39 = 5,018.68/x
  3. Step 3: Cross multiply
    8,603.82x = 11,873.39 × 5,018.68
  4. Step 4: Simplify right side
    8,603.82x = 59,588,744.93
  5. Step 5: Solve for x
    x = 59,588,744.93/8,603.82
  6. Step 6: Final answer
    x = 6,925.85

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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.