Home / 8,123.43-11,192.51-5,466.23

Finding the Fourth Proportional to 8,123.43, 11,192.51 and 5,466.23

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Solution

The fourth proportional to 8,123.43, 11,192.51 and 5,466.23 is: 7,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.43 : 11,192.51 = 5,466.23 : x
  2. Step 2: Convert to fraction form
    8,123.43/11,192.51 = 5,466.23/x
  3. Step 3: Cross multiply
    8,123.43x = 11,192.51 × 5,466.23
  4. Step 4: Simplify right side
    8,123.43x = 61,180,833.61
  5. Step 5: Solve for x
    x = 61,180,833.61/8,123.43
  6. Step 6: Final answer
    x = 7,531.40

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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.