Home / 6,676.40-9,222.20-5,123.68

Finding the Fourth Proportional to 6,676.40, 9,222.20 and 5,123.68

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Solution

The fourth proportional to 6,676.40, 9,222.20 and 5,123.68 is: 7,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.40 : 9,222.20 = 5,123.68 : x
  2. Step 2: Convert to fraction form
    6,676.40/9,222.20 = 5,123.68/x
  3. Step 3: Cross multiply
    6,676.40x = 9,222.20 × 5,123.68
  4. Step 4: Simplify right side
    6,676.40x = 47,251,601.70
  5. Step 5: Solve for x
    x = 47,251,601.70/6,676.40
  6. Step 6: Final answer
    x = 7,077.41

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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.