Home / 7,621.46-10,517.12-4,263.70

Finding the Fourth Proportional to 7,621.46, 10,517.12 and 4,263.70

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Solution

The fourth proportional to 7,621.46, 10,517.12 and 4,263.70 is: 5,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.46 : 10,517.12 = 4,263.70 : x
  2. Step 2: Convert to fraction form
    7,621.46/10,517.12 = 4,263.70/x
  3. Step 3: Cross multiply
    7,621.46x = 10,517.12 × 4,263.70
  4. Step 4: Simplify right side
    7,621.46x = 44,841,844.54
  5. Step 5: Solve for x
    x = 44,841,844.54/7,621.46
  6. Step 6: Final answer
    x = 5,883.63

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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.