Home / 11,247.66-15,521.36-6,212.30

Finding the Fourth Proportional to 11,247.66, 15,521.36 and 6,212.30

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Solution

The fourth proportional to 11,247.66, 15,521.36 and 6,212.30 is: 8,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.66 : 15,521.36 = 6,212.30 : x
  2. Step 2: Convert to fraction form
    11,247.66/15,521.36 = 6,212.30/x
  3. Step 3: Cross multiply
    11,247.66x = 15,521.36 × 6,212.30
  4. Step 4: Simplify right side
    11,247.66x = 96,423,236.06
  5. Step 5: Solve for x
    x = 96,423,236.06/11,247.66
  6. Step 6: Final answer
    x = 8,572.74

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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.