Home / 11,813.28-17,620.02-11,127.96

Finding the Fourth Proportional to 11,813.28, 17,620.02 and 11,127.96

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Solution

The fourth proportional to 11,813.28, 17,620.02 and 11,127.96 is: 16,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.28 : 17,620.02 = 11,127.96 : x
  2. Step 2: Convert to fraction form
    11,813.28/17,620.02 = 11,127.96/x
  3. Step 3: Cross multiply
    11,813.28x = 17,620.02 × 11,127.96
  4. Step 4: Simplify right side
    11,813.28x = 196,074,877.76
  5. Step 5: Solve for x
    x = 196,074,877.76/11,813.28
  6. Step 6: Final answer
    x = 16,597.84

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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.