Home / 10,917.09-15,064.07-6,136.36

Finding the Fourth Proportional to 10,917.09, 15,064.07 and 6,136.36

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Solution

The fourth proportional to 10,917.09, 15,064.07 and 6,136.36 is: 8,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.09 : 15,064.07 = 6,136.36 : x
  2. Step 2: Convert to fraction form
    10,917.09/15,064.07 = 6,136.36/x
  3. Step 3: Cross multiply
    10,917.09x = 15,064.07 × 6,136.36
  4. Step 4: Simplify right side
    10,917.09x = 92,438,488.24
  5. Step 5: Solve for x
    x = 92,438,488.24/10,917.09
  6. Step 6: Final answer
    x = 8,467.32

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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.