Home / 11,609.04-17,329.20-9,976.08

Finding the Fourth Proportional to 11,609.04, 17,329.20 and 9,976.08

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Solution

The fourth proportional to 11,609.04, 17,329.20 and 9,976.08 is: 14,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.04 : 17,329.20 = 9,976.08 : x
  2. Step 2: Convert to fraction form
    11,609.04/17,329.20 = 9,976.08/x
  3. Step 3: Cross multiply
    11,609.04x = 17,329.20 × 9,976.08
  4. Step 4: Simplify right side
    11,609.04x = 172,877,485.54
  5. Step 5: Solve for x
    x = 172,877,485.54/11,609.04
  6. Step 6: Final answer
    x = 14,891.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.