Home / 11,803.41-16,288.09-6,497.21

Finding the Fourth Proportional to 11,803.41, 16,288.09 and 6,497.21

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Solution

The fourth proportional to 11,803.41, 16,288.09 and 6,497.21 is: 8,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.41 : 16,288.09 = 6,497.21 : x
  2. Step 2: Convert to fraction form
    11,803.41/16,288.09 = 6,497.21/x
  3. Step 3: Cross multiply
    11,803.41x = 16,288.09 × 6,497.21
  4. Step 4: Simplify right side
    11,803.41x = 105,827,165.71
  5. Step 5: Solve for x
    x = 105,827,165.71/11,803.41
  6. Step 6: Final answer
    x = 8,965.81

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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.