Home / 11,055.82-15,256.26-6,275.86

Finding the Fourth Proportional to 11,055.82, 15,256.26 and 6,275.86

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Solution

The fourth proportional to 11,055.82, 15,256.26 and 6,275.86 is: 8,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.82 : 15,256.26 = 6,275.86 : x
  2. Step 2: Convert to fraction form
    11,055.82/15,256.26 = 6,275.86/x
  3. Step 3: Cross multiply
    11,055.82x = 15,256.26 × 6,275.86
  4. Step 4: Simplify right side
    11,055.82x = 95,746,151.88
  5. Step 5: Solve for x
    x = 95,746,151.88/11,055.82
  6. Step 6: Final answer
    x = 8,660.25

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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.