Home / 11,775.06-17,644.86-10,663.74

Finding the Fourth Proportional to 11,775.06, 17,644.86 and 10,663.74

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Solution

The fourth proportional to 11,775.06, 17,644.86 and 10,663.74 is: 15,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.06 : 17,644.86 = 10,663.74 : x
  2. Step 2: Convert to fraction form
    11,775.06/17,644.86 = 10,663.74/x
  3. Step 3: Cross multiply
    11,775.06x = 17,644.86 × 10,663.74
  4. Step 4: Simplify right side
    11,775.06x = 188,160,199.38
  5. Step 5: Solve for x
    x = 188,160,199.38/11,775.06
  6. Step 6: Final answer
    x = 15,979.55

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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.