Home / 11,607.39-16,049.60-11,419.74

Finding the Fourth Proportional to 11,607.39, 16,049.60 and 11,419.74

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Solution

The fourth proportional to 11,607.39, 16,049.60 and 11,419.74 is: 15,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.39 : 16,049.60 = 11,419.74 : x
  2. Step 2: Convert to fraction form
    11,607.39/16,049.60 = 11,419.74/x
  3. Step 3: Cross multiply
    11,607.39x = 16,049.60 × 11,419.74
  4. Step 4: Simplify right side
    11,607.39x = 183,282,202.01
  5. Step 5: Solve for x
    x = 183,282,202.01/11,607.39
  6. Step 6: Final answer
    x = 15,790.13

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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.