Home / 11,085.19-15,297.57-6,370.38

Finding the Fourth Proportional to 11,085.19, 15,297.57 and 6,370.38

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Solution

The fourth proportional to 11,085.19, 15,297.57 and 6,370.38 is: 8,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.19 : 15,297.57 = 6,370.38 : x
  2. Step 2: Convert to fraction form
    11,085.19/15,297.57 = 6,370.38/x
  3. Step 3: Cross multiply
    11,085.19x = 15,297.57 × 6,370.38
  4. Step 4: Simplify right side
    11,085.19x = 97,451,333.98
  5. Step 5: Solve for x
    x = 97,451,333.98/11,085.19
  6. Step 6: Final answer
    x = 8,791.13

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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.