Home / 12,136.32-16,750.26-11,582.28

Finding the Fourth Proportional to 12,136.32, 16,750.26 and 11,582.28

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Solution

The fourth proportional to 12,136.32, 16,750.26 and 11,582.28 is: 15,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.32 : 16,750.26 = 11,582.28 : x
  2. Step 2: Convert to fraction form
    12,136.32/16,750.26 = 11,582.28/x
  3. Step 3: Cross multiply
    12,136.32x = 16,750.26 × 11,582.28
  4. Step 4: Simplify right side
    12,136.32x = 194,006,201.39
  5. Step 5: Solve for x
    x = 194,006,201.39/12,136.32
  6. Step 6: Final answer
    x = 15,985.59

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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.