Home / 10,826.75-16,245.81-7,684.49

Finding the Fourth Proportional to 10,826.75, 16,245.81 and 7,684.49

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Solution

The fourth proportional to 10,826.75, 16,245.81 and 7,684.49 is: 11,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.75 : 16,245.81 = 7,684.49 : x
  2. Step 2: Convert to fraction form
    10,826.75/16,245.81 = 7,684.49/x
  3. Step 3: Cross multiply
    10,826.75x = 16,245.81 × 7,684.49
  4. Step 4: Simplify right side
    10,826.75x = 124,840,683.26
  5. Step 5: Solve for x
    x = 124,840,683.26/10,826.75
  6. Step 6: Final answer
    x = 11,530.77

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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.