Home / 8,772.35-13,158.56-5,672.27

Finding the Fourth Proportional to 8,772.35, 13,158.56 and 5,672.27

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Solution

The fourth proportional to 8,772.35, 13,158.56 and 5,672.27 is: 8,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.35 : 13,158.56 = 5,672.27 : x
  2. Step 2: Convert to fraction form
    8,772.35/13,158.56 = 5,672.27/x
  3. Step 3: Cross multiply
    8,772.35x = 13,158.56 × 5,672.27
  4. Step 4: Simplify right side
    8,772.35x = 74,638,952.21
  5. Step 5: Solve for x
    x = 74,638,952.21/8,772.35
  6. Step 6: Final answer
    x = 8,508.44

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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.