Home / 8,470.17-11,687.90-4,692.33

Finding the Fourth Proportional to 8,470.17, 11,687.90 and 4,692.33

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Solution

The fourth proportional to 8,470.17, 11,687.90 and 4,692.33 is: 6,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.17 : 11,687.90 = 4,692.33 : x
  2. Step 2: Convert to fraction form
    8,470.17/11,687.90 = 4,692.33/x
  3. Step 3: Cross multiply
    8,470.17x = 11,687.90 × 4,692.33
  4. Step 4: Simplify right side
    8,470.17x = 54,843,460.35
  5. Step 5: Solve for x
    x = 54,843,460.35/8,470.17
  6. Step 6: Final answer
    x = 6,474.89

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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.