Home / 6,896.18-9,516.20-3,911.34

Finding the Fourth Proportional to 6,896.18, 9,516.20 and 3,911.34

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Solution

The fourth proportional to 6,896.18, 9,516.20 and 3,911.34 is: 5,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.18 : 9,516.20 = 3,911.34 : x
  2. Step 2: Convert to fraction form
    6,896.18/9,516.20 = 3,911.34/x
  3. Step 3: Cross multiply
    6,896.18x = 9,516.20 × 3,911.34
  4. Step 4: Simplify right side
    6,896.18x = 37,221,093.71
  5. Step 5: Solve for x
    x = 37,221,093.71/6,896.18
  6. Step 6: Final answer
    x = 5,397.35

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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.