Home / 11,789.38-16,269.69-6,484.53

Finding the Fourth Proportional to 11,789.38, 16,269.69 and 6,484.53

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Solution

The fourth proportional to 11,789.38, 16,269.69 and 6,484.53 is: 8,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.38 : 16,269.69 = 6,484.53 : x
  2. Step 2: Convert to fraction form
    11,789.38/16,269.69 = 6,484.53/x
  3. Step 3: Cross multiply
    11,789.38x = 16,269.69 × 6,484.53
  4. Step 4: Simplify right side
    11,789.38x = 105,501,292.90
  5. Step 5: Solve for x
    x = 105,501,292.90/11,789.38
  6. Step 6: Final answer
    x = 8,948.84

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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.