Home / 11,786.48-16,264.90-6,480.98

Finding the Fourth Proportional to 11,786.48, 16,264.90 and 6,480.98

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Solution

The fourth proportional to 11,786.48, 16,264.90 and 6,480.98 is: 8,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.48 : 16,264.90 = 6,480.98 : x
  2. Step 2: Convert to fraction form
    11,786.48/16,264.90 = 6,480.98/x
  3. Step 3: Cross multiply
    11,786.48x = 16,264.90 × 6,480.98
  4. Step 4: Simplify right side
    11,786.48x = 105,412,491.60
  5. Step 5: Solve for x
    x = 105,412,491.60/11,786.48
  6. Step 6: Final answer
    x = 8,943.51

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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.