Home / 7,333.45-10,120.38-4,146.83

Finding the Fourth Proportional to 7,333.45, 10,120.38 and 4,146.83

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Solution

The fourth proportional to 7,333.45, 10,120.38 and 4,146.83 is: 5,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.45 : 10,120.38 = 4,146.83 : x
  2. Step 2: Convert to fraction form
    7,333.45/10,120.38 = 4,146.83/x
  3. Step 3: Cross multiply
    7,333.45x = 10,120.38 × 4,146.83
  4. Step 4: Simplify right side
    7,333.45x = 41,967,424.06
  5. Step 5: Solve for x
    x = 41,967,424.06/7,333.45
  6. Step 6: Final answer
    x = 5,722.74

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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.