Home / 12,216.08-16,856.96-6,838.17

Finding the Fourth Proportional to 12,216.08, 16,856.96 and 6,838.17

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Solution

The fourth proportional to 12,216.08, 16,856.96 and 6,838.17 is: 9,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.08 : 16,856.96 = 6,838.17 : x
  2. Step 2: Convert to fraction form
    12,216.08/16,856.96 = 6,838.17/x
  3. Step 3: Cross multiply
    12,216.08x = 16,856.96 × 6,838.17
  4. Step 4: Simplify right side
    12,216.08x = 115,270,794.04
  5. Step 5: Solve for x
    x = 115,270,794.04/12,216.08
  6. Step 6: Final answer
    x = 9,435.99

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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.