Home / 27,587.77-41,369.50-7,861.84

Finding the Fourth Proportional to 27,587.77, 41,369.50 and 7,861.84

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Solution

The fourth proportional to 27,587.77, 41,369.50 and 7,861.84 is: 11,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.77 : 41,369.50 = 7,861.84 : x
  2. Step 2: Convert to fraction form
    27,587.77/41,369.50 = 7,861.84/x
  3. Step 3: Cross multiply
    27,587.77x = 41,369.50 × 7,861.84
  4. Step 4: Simplify right side
    27,587.77x = 325,240,389.88
  5. Step 5: Solve for x
    x = 325,240,389.88/27,587.77
  6. Step 6: Final answer
    x = 11,789.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.