Home / 10,896.18-16,205.88-10,687.02

Finding the Fourth Proportional to 10,896.18, 16,205.88 and 10,687.02

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Solution

The fourth proportional to 10,896.18, 16,205.88 and 10,687.02 is: 15,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.18 : 16,205.88 = 10,687.02 : x
  2. Step 2: Convert to fraction form
    10,896.18/16,205.88 = 10,687.02/x
  3. Step 3: Cross multiply
    10,896.18x = 16,205.88 × 10,687.02
  4. Step 4: Simplify right side
    10,896.18x = 173,192,563.68
  5. Step 5: Solve for x
    x = 173,192,563.68/10,896.18
  6. Step 6: Final answer
    x = 15,894.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.