Home / 7,071.32-9,761.37-5,056.85

Finding the Fourth Proportional to 7,071.32, 9,761.37 and 5,056.85

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Solution

The fourth proportional to 7,071.32, 9,761.37 and 5,056.85 is: 6,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.32 : 9,761.37 = 5,056.85 : x
  2. Step 2: Convert to fraction form
    7,071.32/9,761.37 = 5,056.85/x
  3. Step 3: Cross multiply
    7,071.32x = 9,761.37 × 5,056.85
  4. Step 4: Simplify right side
    7,071.32x = 49,361,783.88
  5. Step 5: Solve for x
    x = 49,361,783.88/7,071.32
  6. Step 6: Final answer
    x = 6,980.56

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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.