Home / 11,346.87-15,650.91-6,862.89

Finding the Fourth Proportional to 11,346.87, 15,650.91 and 6,862.89

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Solution

The fourth proportional to 11,346.87, 15,650.91 and 6,862.89 is: 9,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.87 : 15,650.91 = 6,862.89 : x
  2. Step 2: Convert to fraction form
    11,346.87/15,650.91 = 6,862.89/x
  3. Step 3: Cross multiply
    11,346.87x = 15,650.91 × 6,862.89
  4. Step 4: Simplify right side
    11,346.87x = 107,410,473.73
  5. Step 5: Solve for x
    x = 107,410,473.73/11,346.87
  6. Step 6: Final answer
    x = 9,466.09

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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.