Home / 7,964.04-10,991.06-4,427.96

Finding the Fourth Proportional to 7,964.04, 10,991.06 and 4,427.96

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Solution

The fourth proportional to 7,964.04, 10,991.06 and 4,427.96 is: 6,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.04 : 10,991.06 = 4,427.96 : x
  2. Step 2: Convert to fraction form
    7,964.04/10,991.06 = 4,427.96/x
  3. Step 3: Cross multiply
    7,964.04x = 10,991.06 × 4,427.96
  4. Step 4: Simplify right side
    7,964.04x = 48,667,974.04
  5. Step 5: Solve for x
    x = 48,667,974.04/7,964.04
  6. Step 6: Final answer
    x = 6,110.97

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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.