Home / 8,557.24-11,809.98-4,831

Finding the Fourth Proportional to 8,557.24, 11,809.98 and 4,831

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Solution

The fourth proportional to 8,557.24, 11,809.98 and 4,831 is: 6,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.24 : 11,809.98 = 4,831 : x
  2. Step 2: Convert to fraction form
    8,557.24/11,809.98 = 4,831/x
  3. Step 3: Cross multiply
    8,557.24x = 11,809.98 × 4,831
  4. Step 4: Simplify right side
    8,557.24x = 57,054,013.38
  5. Step 5: Solve for x
    x = 57,054,013.38/8,557.24
  6. Step 6: Final answer
    x = 6,667.34

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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.