Home / 10,536.60-15,805.80-3,611.10

Finding the Fourth Proportional to 10,536.60, 15,805.80 and 3,611.10

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Solution

The fourth proportional to 10,536.60, 15,805.80 and 3,611.10 is: 5,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.60 : 15,805.80 = 3,611.10 : x
  2. Step 2: Convert to fraction form
    10,536.60/15,805.80 = 3,611.10/x
  3. Step 3: Cross multiply
    10,536.60x = 15,805.80 × 3,611.10
  4. Step 4: Simplify right side
    10,536.60x = 57,076,324.38
  5. Step 5: Solve for x
    x = 57,076,324.38/10,536.60
  6. Step 6: Final answer
    x = 5,416.96

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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.