Home / 8,716.99-12,027.38-6,198.18

Finding the Fourth Proportional to 8,716.99, 12,027.38 and 6,198.18

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Solution

The fourth proportional to 8,716.99, 12,027.38 and 6,198.18 is: 8,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.99 : 12,027.38 = 6,198.18 : x
  2. Step 2: Convert to fraction form
    8,716.99/12,027.38 = 6,198.18/x
  3. Step 3: Cross multiply
    8,716.99x = 12,027.38 × 6,198.18
  4. Step 4: Simplify right side
    8,716.99x = 74,547,866.17
  5. Step 5: Solve for x
    x = 74,547,866.17/8,716.99
  6. Step 6: Final answer
    x = 8,552.02

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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.