Home / 9,778.08-13,493.70-5,301.94

Finding the Fourth Proportional to 9,778.08, 13,493.70 and 5,301.94

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Solution

The fourth proportional to 9,778.08, 13,493.70 and 5,301.94 is: 7,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.08 : 13,493.70 = 5,301.94 : x
  2. Step 2: Convert to fraction form
    9,778.08/13,493.70 = 5,301.94/x
  3. Step 3: Cross multiply
    9,778.08x = 13,493.70 × 5,301.94
  4. Step 4: Simplify right side
    9,778.08x = 71,542,787.78
  5. Step 5: Solve for x
    x = 71,542,787.78/9,778.08
  6. Step 6: Final answer
    x = 7,316.65

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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.