Home / 8,509.05-11,743.77-6,126.92

Finding the Fourth Proportional to 8,509.05, 11,743.77 and 6,126.92

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Solution

The fourth proportional to 8,509.05, 11,743.77 and 6,126.92 is: 8,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.05 : 11,743.77 = 6,126.92 : x
  2. Step 2: Convert to fraction form
    8,509.05/11,743.77 = 6,126.92/x
  3. Step 3: Cross multiply
    8,509.05x = 11,743.77 × 6,126.92
  4. Step 4: Simplify right side
    8,509.05x = 71,953,080.57
  5. Step 5: Solve for x
    x = 71,953,080.57/8,509.05
  6. Step 6: Final answer
    x = 8,456.07

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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.