Home / 8,440.18-11,652.41-5,791.48

Finding the Fourth Proportional to 8,440.18, 11,652.41 and 5,791.48

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Solution

The fourth proportional to 8,440.18, 11,652.41 and 5,791.48 is: 7,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.18 : 11,652.41 = 5,791.48 : x
  2. Step 2: Convert to fraction form
    8,440.18/11,652.41 = 5,791.48/x
  3. Step 3: Cross multiply
    8,440.18x = 11,652.41 × 5,791.48
  4. Step 4: Simplify right side
    8,440.18x = 67,484,699.47
  5. Step 5: Solve for x
    x = 67,484,699.47/8,440.18
  6. Step 6: Final answer
    x = 7,995.65

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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.