Home / 7,072.72-10,612.68-3,176.32

Finding the Fourth Proportional to 7,072.72, 10,612.68 and 3,176.32

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Solution

The fourth proportional to 7,072.72, 10,612.68 and 3,176.32 is: 4,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.72 : 10,612.68 = 3,176.32 : x
  2. Step 2: Convert to fraction form
    7,072.72/10,612.68 = 3,176.32/x
  3. Step 3: Cross multiply
    7,072.72x = 10,612.68 × 3,176.32
  4. Step 4: Simplify right side
    7,072.72x = 33,709,267.74
  5. Step 5: Solve for x
    x = 33,709,267.74/7,072.72
  6. Step 6: Final answer
    x = 4,766.10

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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.