Home / 7,908.81-11,865.69-2,362.38

Finding the Fourth Proportional to 7,908.81, 11,865.69 and 2,362.38

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Solution

The fourth proportional to 7,908.81, 11,865.69 and 2,362.38 is: 3,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.81 : 11,865.69 = 2,362.38 : x
  2. Step 2: Convert to fraction form
    7,908.81/11,865.69 = 2,362.38/x
  3. Step 3: Cross multiply
    7,908.81x = 11,865.69 × 2,362.38
  4. Step 4: Simplify right side
    7,908.81x = 28,031,240.93
  5. Step 5: Solve for x
    x = 28,031,240.93/7,908.81
  6. Step 6: Final answer
    x = 3,544.30

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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.