Home / 11,727.49-16,167.26-7,248.71

Finding the Fourth Proportional to 11,727.49, 16,167.26 and 7,248.71

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Solution

The fourth proportional to 11,727.49, 16,167.26 and 7,248.71 is: 9,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.49 : 16,167.26 = 7,248.71 : x
  2. Step 2: Convert to fraction form
    11,727.49/16,167.26 = 7,248.71/x
  3. Step 3: Cross multiply
    11,727.49x = 16,167.26 × 7,248.71
  4. Step 4: Simplify right side
    11,727.49x = 117,191,779.23
  5. Step 5: Solve for x
    x = 117,191,779.23/11,727.49
  6. Step 6: Final answer
    x = 9,992.91

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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.