Home / 8,666.26-11,959.43-4,687.36

Finding the Fourth Proportional to 8,666.26, 11,959.43 and 4,687.36

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Solution

The fourth proportional to 8,666.26, 11,959.43 and 4,687.36 is: 6,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.26 : 11,959.43 = 4,687.36 : x
  2. Step 2: Convert to fraction form
    8,666.26/11,959.43 = 4,687.36/x
  3. Step 3: Cross multiply
    8,666.26x = 11,959.43 × 4,687.36
  4. Step 4: Simplify right side
    8,666.26x = 56,058,100.47
  5. Step 5: Solve for x
    x = 56,058,100.47/8,666.26
  6. Step 6: Final answer
    x = 6,468.55

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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.