Home / 11,053.80-16,580.70-3,659.40

Finding the Fourth Proportional to 11,053.80, 16,580.70 and 3,659.40

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Solution

The fourth proportional to 11,053.80, 16,580.70 and 3,659.40 is: 5,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.80 : 16,580.70 = 3,659.40 : x
  2. Step 2: Convert to fraction form
    11,053.80/16,580.70 = 3,659.40/x
  3. Step 3: Cross multiply
    11,053.80x = 16,580.70 × 3,659.40
  4. Step 4: Simplify right side
    11,053.80x = 60,675,413.58
  5. Step 5: Solve for x
    x = 60,675,413.58/11,053.80
  6. Step 6: Final answer
    x = 5,489.10

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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.