Home / 7,215.63-10,808.25-6,116.14

Finding the Fourth Proportional to 7,215.63, 10,808.25 and 6,116.14

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Solution

The fourth proportional to 7,215.63, 10,808.25 and 6,116.14 is: 9,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.63 : 10,808.25 = 6,116.14 : x
  2. Step 2: Convert to fraction form
    7,215.63/10,808.25 = 6,116.14/x
  3. Step 3: Cross multiply
    7,215.63x = 10,808.25 × 6,116.14
  4. Step 4: Simplify right side
    7,215.63x = 66,104,760.73
  5. Step 5: Solve for x
    x = 66,104,760.73/7,215.63
  6. Step 6: Final answer
    x = 9,161.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.