Home / 8,557.95-11,811.12-5,021.49

Finding the Fourth Proportional to 8,557.95, 11,811.12 and 5,021.49

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Solution

The fourth proportional to 8,557.95, 11,811.12 and 5,021.49 is: 6,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.95 : 11,811.12 = 5,021.49 : x
  2. Step 2: Convert to fraction form
    8,557.95/11,811.12 = 5,021.49/x
  3. Step 3: Cross multiply
    8,557.95x = 11,811.12 × 5,021.49
  4. Step 4: Simplify right side
    8,557.95x = 59,309,420.97
  5. Step 5: Solve for x
    x = 59,309,420.97/8,557.95
  6. Step 6: Final answer
    x = 6,930.33

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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.