Home / 8,390.43-11,576.84-5,032.17

Finding the Fourth Proportional to 8,390.43, 11,576.84 and 5,032.17

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Solution

The fourth proportional to 8,390.43, 11,576.84 and 5,032.17 is: 6,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.43 : 11,576.84 = 5,032.17 : x
  2. Step 2: Convert to fraction form
    8,390.43/11,576.84 = 5,032.17/x
  3. Step 3: Cross multiply
    8,390.43x = 11,576.84 × 5,032.17
  4. Step 4: Simplify right side
    8,390.43x = 58,256,601.78
  5. Step 5: Solve for x
    x = 58,256,601.78/8,390.43
  6. Step 6: Final answer
    x = 6,943.22

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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.