Home / 11,850.40-17,776.20-5,277.05

Finding the Fourth Proportional to 11,850.40, 17,776.20 and 5,277.05

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Solution

The fourth proportional to 11,850.40, 17,776.20 and 5,277.05 is: 7,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.40 : 17,776.20 = 5,277.05 : x
  2. Step 2: Convert to fraction form
    11,850.40/17,776.20 = 5,277.05/x
  3. Step 3: Cross multiply
    11,850.40x = 17,776.20 × 5,277.05
  4. Step 4: Simplify right side
    11,850.40x = 93,805,807.33
  5. Step 5: Solve for x
    x = 93,805,807.33/11,850.40
  6. Step 6: Final answer
    x = 7,915.84

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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.