Home / 12,226.16-16,869.30-6,919.84

Finding the Fourth Proportional to 12,226.16, 16,869.30 and 6,919.84

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Solution

The fourth proportional to 12,226.16, 16,869.30 and 6,919.84 is: 9,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.16 : 16,869.30 = 6,919.84 : x
  2. Step 2: Convert to fraction form
    12,226.16/16,869.30 = 6,919.84/x
  3. Step 3: Cross multiply
    12,226.16x = 16,869.30 × 6,919.84
  4. Step 4: Simplify right side
    12,226.16x = 116,732,856.91
  5. Step 5: Solve for x
    x = 116,732,856.91/12,226.16
  6. Step 6: Final answer
    x = 9,547.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.