Home / 8,543.36-11,785.56-5,006

Finding the Fourth Proportional to 8,543.36, 11,785.56 and 5,006

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Solution

The fourth proportional to 8,543.36, 11,785.56 and 5,006 is: 6,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.36 : 11,785.56 = 5,006 : x
  2. Step 2: Convert to fraction form
    8,543.36/11,785.56 = 5,006/x
  3. Step 3: Cross multiply
    8,543.36x = 11,785.56 × 5,006
  4. Step 4: Simplify right side
    8,543.36x = 58,998,513.36
  5. Step 5: Solve for x
    x = 58,998,513.36/8,543.36
  6. Step 6: Final answer
    x = 6,905.77

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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.