Home / 7,383.30-11,077.65-3,869.52

Finding the Fourth Proportional to 7,383.30, 11,077.65 and 3,869.52

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Solution

The fourth proportional to 7,383.30, 11,077.65 and 3,869.52 is: 5,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.30 : 11,077.65 = 3,869.52 : x
  2. Step 2: Convert to fraction form
    7,383.30/11,077.65 = 3,869.52/x
  3. Step 3: Cross multiply
    7,383.30x = 11,077.65 × 3,869.52
  4. Step 4: Simplify right side
    7,383.30x = 42,865,188.23
  5. Step 5: Solve for x
    x = 42,865,188.23/7,383.30
  6. Step 6: Final answer
    x = 5,805.70

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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.