Home / 11,220.69-16,838.81-4,465.59

Finding the Fourth Proportional to 11,220.69, 16,838.81 and 4,465.59

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Solution

The fourth proportional to 11,220.69, 16,838.81 and 4,465.59 is: 6,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.69 : 16,838.81 = 4,465.59 : x
  2. Step 2: Convert to fraction form
    11,220.69/16,838.81 = 4,465.59/x
  3. Step 3: Cross multiply
    11,220.69x = 16,838.81 × 4,465.59
  4. Step 4: Simplify right side
    11,220.69x = 75,195,221.55
  5. Step 5: Solve for x
    x = 75,195,221.55/11,220.69
  6. Step 6: Final answer
    x = 6,701.48

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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.