Home / 6,822.58-10,220.70-5,071.72

Finding the Fourth Proportional to 6,822.58, 10,220.70 and 5,071.72

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Solution

The fourth proportional to 6,822.58, 10,220.70 and 5,071.72 is: 7,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.58 : 10,220.70 = 5,071.72 : x
  2. Step 2: Convert to fraction form
    6,822.58/10,220.70 = 5,071.72/x
  3. Step 3: Cross multiply
    6,822.58x = 10,220.70 × 5,071.72
  4. Step 4: Simplify right side
    6,822.58x = 51,836,528.60
  5. Step 5: Solve for x
    x = 51,836,528.60/6,822.58
  6. Step 6: Final answer
    x = 7,597.79

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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.