Home / 11,028.40-16,542.60-9,799.60

Finding the Fourth Proportional to 11,028.40, 16,542.60 and 9,799.60

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Solution

The fourth proportional to 11,028.40, 16,542.60 and 9,799.60 is: 14,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.40 : 16,542.60 = 9,799.60 : x
  2. Step 2: Convert to fraction form
    11,028.40/16,542.60 = 9,799.60/x
  3. Step 3: Cross multiply
    11,028.40x = 16,542.60 × 9,799.60
  4. Step 4: Simplify right side
    11,028.40x = 162,110,862.96
  5. Step 5: Solve for x
    x = 162,110,862.96/11,028.40
  6. Step 6: Final answer
    x = 14,699.40

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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.