Home / 7,011.45-10,516.37-2,080.58

Finding the Fourth Proportional to 7,011.45, 10,516.37 and 2,080.58

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Solution

The fourth proportional to 7,011.45, 10,516.37 and 2,080.58 is: 3,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.45 : 10,516.37 = 2,080.58 : x
  2. Step 2: Convert to fraction form
    7,011.45/10,516.37 = 2,080.58/x
  3. Step 3: Cross multiply
    7,011.45x = 10,516.37 × 2,080.58
  4. Step 4: Simplify right side
    7,011.45x = 21,880,086.11
  5. Step 5: Solve for x
    x = 21,880,086.11/7,011.45
  6. Step 6: Final answer
    x = 3,120.62

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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.