Home / 11,326.27-15,630.66-6,290.58

Finding the Fourth Proportional to 11,326.27, 15,630.66 and 6,290.58

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Solution

The fourth proportional to 11,326.27, 15,630.66 and 6,290.58 is: 8,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.27 : 15,630.66 = 6,290.58 : x
  2. Step 2: Convert to fraction form
    11,326.27/15,630.66 = 6,290.58/x
  3. Step 3: Cross multiply
    11,326.27x = 15,630.66 × 6,290.58
  4. Step 4: Simplify right side
    11,326.27x = 98,325,917.18
  5. Step 5: Solve for x
    x = 98,325,917.18/11,326.27
  6. Step 6: Final answer
    x = 8,681.23

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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.