Home / 11,167.08-15,371.91-9,653.94

Finding the Fourth Proportional to 11,167.08, 15,371.91 and 9,653.94

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Solution

The fourth proportional to 11,167.08, 15,371.91 and 9,653.94 is: 13,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.08 : 15,371.91 = 9,653.94 : x
  2. Step 2: Convert to fraction form
    11,167.08/15,371.91 = 9,653.94/x
  3. Step 3: Cross multiply
    11,167.08x = 15,371.91 × 9,653.94
  4. Step 4: Simplify right side
    11,167.08x = 148,399,496.83
  5. Step 5: Solve for x
    x = 148,399,496.83/11,167.08
  6. Step 6: Final answer
    x = 13,289.02

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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.