Home / 11,109.24-15,330.14-6,072.46

Finding the Fourth Proportional to 11,109.24, 15,330.14 and 6,072.46

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Solution

The fourth proportional to 11,109.24, 15,330.14 and 6,072.46 is: 8,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.24 : 15,330.14 = 6,072.46 : x
  2. Step 2: Convert to fraction form
    11,109.24/15,330.14 = 6,072.46/x
  3. Step 3: Cross multiply
    11,109.24x = 15,330.14 × 6,072.46
  4. Step 4: Simplify right side
    11,109.24x = 93,091,593.26
  5. Step 5: Solve for x
    x = 93,091,593.26/11,109.24
  6. Step 6: Final answer
    x = 8,379.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.