Home / 8,902.36-12,273.94-5,877

Finding the Fourth Proportional to 8,902.36, 12,273.94 and 5,877

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Solution

The fourth proportional to 8,902.36, 12,273.94 and 5,877 is: 8,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.36 : 12,273.94 = 5,877 : x
  2. Step 2: Convert to fraction form
    8,902.36/12,273.94 = 5,877/x
  3. Step 3: Cross multiply
    8,902.36x = 12,273.94 × 5,877
  4. Step 4: Simplify right side
    8,902.36x = 72,133,945.38
  5. Step 5: Solve for x
    x = 72,133,945.38/8,902.36
  6. Step 6: Final answer
    x = 8,102.79

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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.