Home / 11,857.11-16,370.44-7,610.01

Finding the Fourth Proportional to 11,857.11, 16,370.44 and 7,610.01

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Solution

The fourth proportional to 11,857.11, 16,370.44 and 7,610.01 is: 10,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.11 : 16,370.44 = 7,610.01 : x
  2. Step 2: Convert to fraction form
    11,857.11/16,370.44 = 7,610.01/x
  3. Step 3: Cross multiply
    11,857.11x = 16,370.44 × 7,610.01
  4. Step 4: Simplify right side
    11,857.11x = 124,579,131.69
  5. Step 5: Solve for x
    x = 124,579,131.69/11,857.11
  6. Step 6: Final answer
    x = 10,506.71

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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.