Home / 11,616.30-16,026.12-7,136.46

Finding the Fourth Proportional to 11,616.30, 16,026.12 and 7,136.46

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Solution

The fourth proportional to 11,616.30, 16,026.12 and 7,136.46 is: 9,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.30 : 16,026.12 = 7,136.46 : x
  2. Step 2: Convert to fraction form
    11,616.30/16,026.12 = 7,136.46/x
  3. Step 3: Cross multiply
    11,616.30x = 16,026.12 × 7,136.46
  4. Step 4: Simplify right side
    11,616.30x = 114,369,764.34
  5. Step 5: Solve for x
    x = 114,369,764.34/11,616.30
  6. Step 6: Final answer
    x = 9,845.63

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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.