Home / 10,936.32-16,412.85-5,675.64

Finding the Fourth Proportional to 10,936.32, 16,412.85 and 5,675.64

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Solution

The fourth proportional to 10,936.32, 16,412.85 and 5,675.64 is: 8,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.32 : 16,412.85 = 5,675.64 : x
  2. Step 2: Convert to fraction form
    10,936.32/16,412.85 = 5,675.64/x
  3. Step 3: Cross multiply
    10,936.32x = 16,412.85 × 5,675.64
  4. Step 4: Simplify right side
    10,936.32x = 93,153,427.97
  5. Step 5: Solve for x
    x = 93,153,427.97/10,936.32
  6. Step 6: Final answer
    x = 8,517.80

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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.