Home / 10,851.50-14,974.34-6,136.09

Finding the Fourth Proportional to 10,851.50, 14,974.34 and 6,136.09

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Solution

The fourth proportional to 10,851.50, 14,974.34 and 6,136.09 is: 8,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.50 : 14,974.34 = 6,136.09 : x
  2. Step 2: Convert to fraction form
    10,851.50/14,974.34 = 6,136.09/x
  3. Step 3: Cross multiply
    10,851.50x = 14,974.34 × 6,136.09
  4. Step 4: Simplify right side
    10,851.50x = 91,883,829.81
  5. Step 5: Solve for x
    x = 91,883,829.81/10,851.50
  6. Step 6: Final answer
    x = 8,467.38

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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.