Home / 11,886.06-17,818.13-5,649.03

Finding the Fourth Proportional to 11,886.06, 17,818.13 and 5,649.03

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Solution

The fourth proportional to 11,886.06, 17,818.13 and 5,649.03 is: 8,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.06 : 17,818.13 = 5,649.03 : x
  2. Step 2: Convert to fraction form
    11,886.06/17,818.13 = 5,649.03/x
  3. Step 3: Cross multiply
    11,886.06x = 17,818.13 × 5,649.03
  4. Step 4: Simplify right side
    11,886.06x = 100,655,150.91
  5. Step 5: Solve for x
    x = 100,655,150.91/11,886.06
  6. Step 6: Final answer
    x = 8,468.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.