Home / 11,698.50-17,555.94-5,126.70

Finding the Fourth Proportional to 11,698.50, 17,555.94 and 5,126.70

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Solution

The fourth proportional to 11,698.50, 17,555.94 and 5,126.70 is: 7,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.50 : 17,555.94 = 5,126.70 : x
  2. Step 2: Convert to fraction form
    11,698.50/17,555.94 = 5,126.70/x
  3. Step 3: Cross multiply
    11,698.50x = 17,555.94 × 5,126.70
  4. Step 4: Simplify right side
    11,698.50x = 90,004,037.60
  5. Step 5: Solve for x
    x = 90,004,037.60/11,698.50
  6. Step 6: Final answer
    x = 7,693.64

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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.