Home / 10,236.12-14,064.60-8,136.60

Finding the Fourth Proportional to 10,236.12, 14,064.60 and 8,136.60

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Solution

The fourth proportional to 10,236.12, 14,064.60 and 8,136.60 is: 11,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.12 : 14,064.60 = 8,136.60 : x
  2. Step 2: Convert to fraction form
    10,236.12/14,064.60 = 8,136.60/x
  3. Step 3: Cross multiply
    10,236.12x = 14,064.60 × 8,136.60
  4. Step 4: Simplify right side
    10,236.12x = 114,438,024.36
  5. Step 5: Solve for x
    x = 114,438,024.36/10,236.12
  6. Step 6: Final answer
    x = 11,179.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.