Home / 11,013.49-15,198.35-6,297.47

Finding the Fourth Proportional to 11,013.49, 15,198.35 and 6,297.47

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Solution

The fourth proportional to 11,013.49, 15,198.35 and 6,297.47 is: 8,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.49 : 15,198.35 = 6,297.47 : x
  2. Step 2: Convert to fraction form
    11,013.49/15,198.35 = 6,297.47/x
  3. Step 3: Cross multiply
    11,013.49x = 15,198.35 × 6,297.47
  4. Step 4: Simplify right side
    11,013.49x = 95,711,138.11
  5. Step 5: Solve for x
    x = 95,711,138.11/11,013.49
  6. Step 6: Final answer
    x = 8,690.35

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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.