Home / 7,007.48-10,512.32-2,077.61

Finding the Fourth Proportional to 7,007.48, 10,512.32 and 2,077.61

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Solution

The fourth proportional to 7,007.48, 10,512.32 and 2,077.61 is: 3,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.48 : 10,512.32 = 2,077.61 : x
  2. Step 2: Convert to fraction form
    7,007.48/10,512.32 = 2,077.61/x
  3. Step 3: Cross multiply
    7,007.48x = 10,512.32 × 2,077.61
  4. Step 4: Simplify right side
    7,007.48x = 21,840,438.21
  5. Step 5: Solve for x
    x = 21,840,438.21/7,007.48
  6. Step 6: Final answer
    x = 3,116.73

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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.