Home / 9,942.27-13,705.83-6,948.79

Finding the Fourth Proportional to 9,942.27, 13,705.83 and 6,948.79

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Solution

The fourth proportional to 9,942.27, 13,705.83 and 6,948.79 is: 9,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.27 : 13,705.83 = 6,948.79 : x
  2. Step 2: Convert to fraction form
    9,942.27/13,705.83 = 6,948.79/x
  3. Step 3: Cross multiply
    9,942.27x = 13,705.83 × 6,948.79
  4. Step 4: Simplify right side
    9,942.27x = 95,238,934.45
  5. Step 5: Solve for x
    x = 95,238,934.45/9,942.27
  6. Step 6: Final answer
    x = 9,579.19

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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.