Home / 11,367.63-15,687.29-6,331.91

Finding the Fourth Proportional to 11,367.63, 15,687.29 and 6,331.91

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Solution

The fourth proportional to 11,367.63, 15,687.29 and 6,331.91 is: 8,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.63 : 15,687.29 = 6,331.91 : x
  2. Step 2: Convert to fraction form
    11,367.63/15,687.29 = 6,331.91/x
  3. Step 3: Cross multiply
    11,367.63x = 15,687.29 × 6,331.91
  4. Step 4: Simplify right side
    11,367.63x = 99,330,563.47
  5. Step 5: Solve for x
    x = 99,330,563.47/11,367.63
  6. Step 6: Final answer
    x = 8,738.02

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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.