Home / 11,085.07-15,297.39-6,369.34

Finding the Fourth Proportional to 11,085.07, 15,297.39 and 6,369.34

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Solution

The fourth proportional to 11,085.07, 15,297.39 and 6,369.34 is: 8,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.07 : 15,297.39 = 6,369.34 : x
  2. Step 2: Convert to fraction form
    11,085.07/15,297.39 = 6,369.34/x
  3. Step 3: Cross multiply
    11,085.07x = 15,297.39 × 6,369.34
  4. Step 4: Simplify right side
    11,085.07x = 97,434,278.02
  5. Step 5: Solve for x
    x = 97,434,278.02/11,085.07
  6. Step 6: Final answer
    x = 8,789.69

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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.