Home / 7,620.62-10,516.21-4,263.49

Finding the Fourth Proportional to 7,620.62, 10,516.21 and 4,263.49

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Solution

The fourth proportional to 7,620.62, 10,516.21 and 4,263.49 is: 5,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.62 : 10,516.21 = 4,263.49 : x
  2. Step 2: Convert to fraction form
    7,620.62/10,516.21 = 4,263.49/x
  3. Step 3: Cross multiply
    7,620.62x = 10,516.21 × 4,263.49
  4. Step 4: Simplify right side
    7,620.62x = 44,835,719.22
  5. Step 5: Solve for x
    x = 44,835,719.22/7,620.62
  6. Step 6: Final answer
    x = 5,883.48

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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.