Home / 11,081.43-15,293.85-7,048.65

Finding the Fourth Proportional to 11,081.43, 15,293.85 and 7,048.65

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Solution

The fourth proportional to 11,081.43, 15,293.85 and 7,048.65 is: 9,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.43 : 15,293.85 = 7,048.65 : x
  2. Step 2: Convert to fraction form
    11,081.43/15,293.85 = 7,048.65/x
  3. Step 3: Cross multiply
    11,081.43x = 15,293.85 × 7,048.65
  4. Step 4: Simplify right side
    11,081.43x = 107,800,995.80
  5. Step 5: Solve for x
    x = 107,800,995.80/11,081.43
  6. Step 6: Final answer
    x = 9,728.08

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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.