Home / 9,162.72-13,732.80-4,225.68

Finding the Fourth Proportional to 9,162.72, 13,732.80 and 4,225.68

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Solution

The fourth proportional to 9,162.72, 13,732.80 and 4,225.68 is: 6,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.72 : 13,732.80 = 4,225.68 : x
  2. Step 2: Convert to fraction form
    9,162.72/13,732.80 = 4,225.68/x
  3. Step 3: Cross multiply
    9,162.72x = 13,732.80 × 4,225.68
  4. Step 4: Simplify right side
    9,162.72x = 58,030,418.30
  5. Step 5: Solve for x
    x = 58,030,418.30/9,162.72
  6. Step 6: Final answer
    x = 6,333.32

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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.