Home / 11,666.13-17,499.06-6,987.45

Finding the Fourth Proportional to 11,666.13, 17,499.06 and 6,987.45

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Solution

The fourth proportional to 11,666.13, 17,499.06 and 6,987.45 is: 10,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.13 : 17,499.06 = 6,987.45 : x
  2. Step 2: Convert to fraction form
    11,666.13/17,499.06 = 6,987.45/x
  3. Step 3: Cross multiply
    11,666.13x = 17,499.06 × 6,987.45
  4. Step 4: Simplify right side
    11,666.13x = 122,273,806.80
  5. Step 5: Solve for x
    x = 122,273,806.80/11,666.13
  6. Step 6: Final answer
    x = 10,481.09

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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.