Home / 7,081.26-9,782.10-6,707.59

Finding the Fourth Proportional to 7,081.26, 9,782.10 and 6,707.59

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Solution

The fourth proportional to 7,081.26, 9,782.10 and 6,707.59 is: 9,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.26 : 9,782.10 = 6,707.59 : x
  2. Step 2: Convert to fraction form
    7,081.26/9,782.10 = 6,707.59/x
  3. Step 3: Cross multiply
    7,081.26x = 9,782.10 × 6,707.59
  4. Step 4: Simplify right side
    7,081.26x = 65,614,316.14
  5. Step 5: Solve for x
    x = 65,614,316.14/7,081.26
  6. Step 6: Final answer
    x = 9,265.91

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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.