Home / 10,193.12-14,072.64-6,662.24

Finding the Fourth Proportional to 10,193.12, 14,072.64 and 6,662.24

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Solution

The fourth proportional to 10,193.12, 14,072.64 and 6,662.24 is: 9,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.12 : 14,072.64 = 6,662.24 : x
  2. Step 2: Convert to fraction form
    10,193.12/14,072.64 = 6,662.24/x
  3. Step 3: Cross multiply
    10,193.12x = 14,072.64 × 6,662.24
  4. Step 4: Simplify right side
    10,193.12x = 93,755,305.11
  5. Step 5: Solve for x
    x = 93,755,305.11/10,193.12
  6. Step 6: Final answer
    x = 9,197.90

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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.