Home / 10,857.36-16,268.96-6,472.38

Finding the Fourth Proportional to 10,857.36, 16,268.96 and 6,472.38

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Solution

The fourth proportional to 10,857.36, 16,268.96 and 6,472.38 is: 9,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.36 : 16,268.96 = 6,472.38 : x
  2. Step 2: Convert to fraction form
    10,857.36/16,268.96 = 6,472.38/x
  3. Step 3: Cross multiply
    10,857.36x = 16,268.96 × 6,472.38
  4. Step 4: Simplify right side
    10,857.36x = 105,298,891.32
  5. Step 5: Solve for x
    x = 105,298,891.32/10,857.36
  6. Step 6: Final answer
    x = 9,698.39

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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.