Home / 42,795.01-64,190.76-11,204.56

Finding the Fourth Proportional to 42,795.01, 64,190.76 and 11,204.56

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Solution

The fourth proportional to 42,795.01, 64,190.76 and 11,204.56 is: 16,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.01 : 64,190.76 = 11,204.56 : x
  2. Step 2: Convert to fraction form
    42,795.01/64,190.76 = 11,204.56/x
  3. Step 3: Cross multiply
    42,795.01x = 64,190.76 × 11,204.56
  4. Step 4: Simplify right side
    42,795.01x = 719,229,221.87
  5. Step 5: Solve for x
    x = 719,229,221.87/42,795.01
  6. Step 6: Final answer
    x = 16,806.38

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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.