Home / 11,926.08-16,456.59-6,619.59

Finding the Fourth Proportional to 11,926.08, 16,456.59 and 6,619.59

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Solution

The fourth proportional to 11,926.08, 16,456.59 and 6,619.59 is: 9,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.08 : 16,456.59 = 6,619.59 : x
  2. Step 2: Convert to fraction form
    11,926.08/16,456.59 = 6,619.59/x
  3. Step 3: Cross multiply
    11,926.08x = 16,456.59 × 6,619.59
  4. Step 4: Simplify right side
    11,926.08x = 108,935,878.60
  5. Step 5: Solve for x
    x = 108,935,878.60/11,926.08
  6. Step 6: Final answer
    x = 9,134.26

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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.