Home / 10,690.75-14,753.33-5,910.62

Finding the Fourth Proportional to 10,690.75, 14,753.33 and 5,910.62

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Solution

The fourth proportional to 10,690.75, 14,753.33 and 5,910.62 is: 8,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.75 : 14,753.33 = 5,910.62 : x
  2. Step 2: Convert to fraction form
    10,690.75/14,753.33 = 5,910.62/x
  3. Step 3: Cross multiply
    10,690.75x = 14,753.33 × 5,910.62
  4. Step 4: Simplify right side
    10,690.75x = 87,201,327.36
  5. Step 5: Solve for x
    x = 87,201,327.36/10,690.75
  6. Step 6: Final answer
    x = 8,156.71

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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.