Home / 11,081.25-15,292.26-6,365.70

Finding the Fourth Proportional to 11,081.25, 15,292.26 and 6,365.70

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Solution

The fourth proportional to 11,081.25, 15,292.26 and 6,365.70 is: 8,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.25 : 15,292.26 = 6,365.70 : x
  2. Step 2: Convert to fraction form
    11,081.25/15,292.26 = 6,365.70/x
  3. Step 3: Cross multiply
    11,081.25x = 15,292.26 × 6,365.70
  4. Step 4: Simplify right side
    11,081.25x = 97,345,939.48
  5. Step 5: Solve for x
    x = 97,345,939.48/11,081.25
  6. Step 6: Final answer
    x = 8,784.74

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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.