Home / 11,054.68-15,255.91-6,339.87

Finding the Fourth Proportional to 11,054.68, 15,255.91 and 6,339.87

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Solution

The fourth proportional to 11,054.68, 15,255.91 and 6,339.87 is: 8,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.68 : 15,255.91 = 6,339.87 : x
  2. Step 2: Convert to fraction form
    11,054.68/15,255.91 = 6,339.87/x
  3. Step 3: Cross multiply
    11,054.68x = 15,255.91 × 6,339.87
  4. Step 4: Simplify right side
    11,054.68x = 96,720,494.06
  5. Step 5: Solve for x
    x = 96,720,494.06/11,054.68
  6. Step 6: Final answer
    x = 8,749.28

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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.