Home / 11,470.16-17,193.62-7,772.76

Finding the Fourth Proportional to 11,470.16, 17,193.62 and 7,772.76

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Solution

The fourth proportional to 11,470.16, 17,193.62 and 7,772.76 is: 11,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.16 : 17,193.62 = 7,772.76 : x
  2. Step 2: Convert to fraction form
    11,470.16/17,193.62 = 7,772.76/x
  3. Step 3: Cross multiply
    11,470.16x = 17,193.62 × 7,772.76
  4. Step 4: Simplify right side
    11,470.16x = 133,641,924.78
  5. Step 5: Solve for x
    x = 133,641,924.78/11,470.16
  6. Step 6: Final answer
    x = 11,651.27

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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.