Home / 10,352.36-14,286.12-5,636.64

Finding the Fourth Proportional to 10,352.36, 14,286.12 and 5,636.64

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Solution

The fourth proportional to 10,352.36, 14,286.12 and 5,636.64 is: 7,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.36 : 14,286.12 = 5,636.64 : x
  2. Step 2: Convert to fraction form
    10,352.36/14,286.12 = 5,636.64/x
  3. Step 3: Cross multiply
    10,352.36x = 14,286.12 × 5,636.64
  4. Step 4: Simplify right side
    10,352.36x = 80,525,715.44
  5. Step 5: Solve for x
    x = 80,525,715.44/10,352.36
  6. Step 6: Final answer
    x = 7,778.49

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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.