Home / 11,258.80-15,536.72-6,222.96

Finding the Fourth Proportional to 11,258.80, 15,536.72 and 6,222.96

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Solution

The fourth proportional to 11,258.80, 15,536.72 and 6,222.96 is: 8,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.80 : 15,536.72 = 6,222.96 : x
  2. Step 2: Convert to fraction form
    11,258.80/15,536.72 = 6,222.96/x
  3. Step 3: Cross multiply
    11,258.80x = 15,536.72 × 6,222.96
  4. Step 4: Simplify right side
    11,258.80x = 96,684,387.09
  5. Step 5: Solve for x
    x = 96,684,387.09/11,258.80
  6. Step 6: Final answer
    x = 8,587.45

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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.