Home / 11,235.42-16,855.28-4,309.38

Finding the Fourth Proportional to 11,235.42, 16,855.28 and 4,309.38

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Solution

The fourth proportional to 11,235.42, 16,855.28 and 4,309.38 is: 6,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.42 : 16,855.28 = 4,309.38 : x
  2. Step 2: Convert to fraction form
    11,235.42/16,855.28 = 4,309.38/x
  3. Step 3: Cross multiply
    11,235.42x = 16,855.28 × 4,309.38
  4. Step 4: Simplify right side
    11,235.42x = 72,635,806.53
  5. Step 5: Solve for x
    x = 72,635,806.53/11,235.42
  6. Step 6: Final answer
    x = 6,464.89

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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.