Home / 8,175.23-11,281.49-4,638.37

Finding the Fourth Proportional to 8,175.23, 11,281.49 and 4,638.37

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Solution

The fourth proportional to 8,175.23, 11,281.49 and 4,638.37 is: 6,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.23 : 11,281.49 = 4,638.37 : x
  2. Step 2: Convert to fraction form
    8,175.23/11,281.49 = 4,638.37/x
  3. Step 3: Cross multiply
    8,175.23x = 11,281.49 × 4,638.37
  4. Step 4: Simplify right side
    8,175.23x = 52,327,690.77
  5. Step 5: Solve for x
    x = 52,327,690.77/8,175.23
  6. Step 6: Final answer
    x = 6,400.76

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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.