Home / 11,618.94-17,429.55-6,679.02

Finding the Fourth Proportional to 11,618.94, 17,429.55 and 6,679.02

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Solution

The fourth proportional to 11,618.94, 17,429.55 and 6,679.02 is: 10,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.94 : 17,429.55 = 6,679.02 : x
  2. Step 2: Convert to fraction form
    11,618.94/17,429.55 = 6,679.02/x
  3. Step 3: Cross multiply
    11,618.94x = 17,429.55 × 6,679.02
  4. Step 4: Simplify right side
    11,618.94x = 116,412,313.04
  5. Step 5: Solve for x
    x = 116,412,313.04/11,618.94
  6. Step 6: Final answer
    x = 10,019.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.