Home / 7,011.26-9,669.21-5,516.49

Finding the Fourth Proportional to 7,011.26, 9,669.21 and 5,516.49

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Solution

The fourth proportional to 7,011.26, 9,669.21 and 5,516.49 is: 7,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.26 : 9,669.21 = 5,516.49 : x
  2. Step 2: Convert to fraction form
    7,011.26/9,669.21 = 5,516.49/x
  3. Step 3: Cross multiply
    7,011.26x = 9,669.21 × 5,516.49
  4. Step 4: Simplify right side
    7,011.26x = 53,340,100.27
  5. Step 5: Solve for x
    x = 53,340,100.27/7,011.26
  6. Step 6: Final answer
    x = 7,607.78

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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.