Home / 17,011.20-25,516.86-5,165.07

Finding the Fourth Proportional to 17,011.20, 25,516.86 and 5,165.07

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Solution

The fourth proportional to 17,011.20, 25,516.86 and 5,165.07 is: 7,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.20 : 25,516.86 = 5,165.07 : x
  2. Step 2: Convert to fraction form
    17,011.20/25,516.86 = 5,165.07/x
  3. Step 3: Cross multiply
    17,011.20x = 25,516.86 × 5,165.07
  4. Step 4: Simplify right side
    17,011.20x = 131,796,368.08
  5. Step 5: Solve for x
    x = 131,796,368.08/17,011.20
  6. Step 6: Final answer
    x = 7,747.62

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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.