Home / 10,711.96-14,774.88-6,520.48

Finding the Fourth Proportional to 10,711.96, 14,774.88 and 6,520.48

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Solution

The fourth proportional to 10,711.96, 14,774.88 and 6,520.48 is: 8,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.96 : 14,774.88 = 6,520.48 : x
  2. Step 2: Convert to fraction form
    10,711.96/14,774.88 = 6,520.48/x
  3. Step 3: Cross multiply
    10,711.96x = 14,774.88 × 6,520.48
  4. Step 4: Simplify right side
    10,711.96x = 96,339,309.54
  5. Step 5: Solve for x
    x = 96,339,309.54/10,711.96
  6. Step 6: Final answer
    x = 8,993.62

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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.