Home / 10,352.45-14,286.44-5,636.77

Finding the Fourth Proportional to 10,352.45, 14,286.44 and 5,636.77

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Solution

The fourth proportional to 10,352.45, 14,286.44 and 5,636.77 is: 7,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.45 : 14,286.44 = 5,636.77 : x
  2. Step 2: Convert to fraction form
    10,352.45/14,286.44 = 5,636.77/x
  3. Step 3: Cross multiply
    10,352.45x = 14,286.44 × 5,636.77
  4. Step 4: Simplify right side
    10,352.45x = 80,529,376.40
  5. Step 5: Solve for x
    x = 80,529,376.40/10,352.45
  6. Step 6: Final answer
    x = 7,778.77

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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.