Home / 11,141.40-16,685.10-5,935.80

Finding the Fourth Proportional to 11,141.40, 16,685.10 and 5,935.80

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Solution

The fourth proportional to 11,141.40, 16,685.10 and 5,935.80 is: 8,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.40 : 16,685.10 = 5,935.80 : x
  2. Step 2: Convert to fraction form
    11,141.40/16,685.10 = 5,935.80/x
  3. Step 3: Cross multiply
    11,141.40x = 16,685.10 × 5,935.80
  4. Step 4: Simplify right side
    11,141.40x = 99,039,416.58
  5. Step 5: Solve for x
    x = 99,039,416.58/11,141.40
  6. Step 6: Final answer
    x = 8,889.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.