Home / 11,345.16-15,659.68-7,093.70

Finding the Fourth Proportional to 11,345.16, 15,659.68 and 7,093.70

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Solution

The fourth proportional to 11,345.16, 15,659.68 and 7,093.70 is: 9,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.16 : 15,659.68 = 7,093.70 : x
  2. Step 2: Convert to fraction form
    11,345.16/15,659.68 = 7,093.70/x
  3. Step 3: Cross multiply
    11,345.16x = 15,659.68 × 7,093.70
  4. Step 4: Simplify right side
    11,345.16x = 111,085,092.05
  5. Step 5: Solve for x
    x = 111,085,092.05/11,345.16
  6. Step 6: Final answer
    x = 9,791.40

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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.