Home / 11,803.79-16,288.61-6,497.57

Finding the Fourth Proportional to 11,803.79, 16,288.61 and 6,497.57

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Solution

The fourth proportional to 11,803.79, 16,288.61 and 6,497.57 is: 8,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.79 : 16,288.61 = 6,497.57 : x
  2. Step 2: Convert to fraction form
    11,803.79/16,288.61 = 6,497.57/x
  3. Step 3: Cross multiply
    11,803.79x = 16,288.61 × 6,497.57
  4. Step 4: Simplify right side
    11,803.79x = 105,836,269.75
  5. Step 5: Solve for x
    x = 105,836,269.75/11,803.79
  6. Step 6: Final answer
    x = 8,966.30

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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.