Home / 6,632.34-9,948.44-3,120.09

Finding the Fourth Proportional to 6,632.34, 9,948.44 and 3,120.09

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Solution

The fourth proportional to 6,632.34, 9,948.44 and 3,120.09 is: 4,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.34 : 9,948.44 = 3,120.09 : x
  2. Step 2: Convert to fraction form
    6,632.34/9,948.44 = 3,120.09/x
  3. Step 3: Cross multiply
    6,632.34x = 9,948.44 × 3,120.09
  4. Step 4: Simplify right side
    6,632.34x = 31,040,035.96
  5. Step 5: Solve for x
    x = 31,040,035.96/6,632.34
  6. Step 6: Final answer
    x = 4,680.10

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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.