Home / 10,944.51-15,104.54-6,469.71

Finding the Fourth Proportional to 10,944.51, 15,104.54 and 6,469.71

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Solution

The fourth proportional to 10,944.51, 15,104.54 and 6,469.71 is: 8,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.51 : 15,104.54 = 6,469.71 : x
  2. Step 2: Convert to fraction form
    10,944.51/15,104.54 = 6,469.71/x
  3. Step 3: Cross multiply
    10,944.51x = 15,104.54 × 6,469.71
  4. Step 4: Simplify right side
    10,944.51x = 97,721,961.13
  5. Step 5: Solve for x
    x = 97,721,961.13/10,944.51
  6. Step 6: Final answer
    x = 8,928.86

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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.