Home / 42,791.52-64,190.52-11,626.32

Finding the Fourth Proportional to 42,791.52, 64,190.52 and 11,626.32

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Solution

The fourth proportional to 42,791.52, 64,190.52 and 11,626.32 is: 17,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791.52 : 64,190.52 = 11,626.32 : x
  2. Step 2: Convert to fraction form
    42,791.52/64,190.52 = 11,626.32/x
  3. Step 3: Cross multiply
    42,791.52x = 64,190.52 × 11,626.32
  4. Step 4: Simplify right side
    42,791.52x = 746,299,526.49
  5. Step 5: Solve for x
    x = 746,299,526.49/42,791.52
  6. Step 6: Final answer
    x = 17,440.36

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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.