Home / 11,777.74-17,669.85-4,857.10

Finding the Fourth Proportional to 11,777.74, 17,669.85 and 4,857.10

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Solution

The fourth proportional to 11,777.74, 17,669.85 and 4,857.10 is: 7,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.74 : 17,669.85 = 4,857.10 : x
  2. Step 2: Convert to fraction form
    11,777.74/17,669.85 = 4,857.10/x
  3. Step 3: Cross multiply
    11,777.74x = 17,669.85 × 4,857.10
  4. Step 4: Simplify right side
    11,777.74x = 85,824,228.44
  5. Step 5: Solve for x
    x = 85,824,228.44/11,777.74
  6. Step 6: Final answer
    x = 7,286.99

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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.