Home / 11,124.77-16,688.61-4,109.72

Finding the Fourth Proportional to 11,124.77, 16,688.61 and 4,109.72

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Solution

The fourth proportional to 11,124.77, 16,688.61 and 4,109.72 is: 6,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.77 : 16,688.61 = 4,109.72 : x
  2. Step 2: Convert to fraction form
    11,124.77/16,688.61 = 4,109.72/x
  3. Step 3: Cross multiply
    11,124.77x = 16,688.61 × 4,109.72
  4. Step 4: Simplify right side
    11,124.77x = 68,585,430.85
  5. Step 5: Solve for x
    x = 68,585,430.85/11,124.77
  6. Step 6: Final answer
    x = 6,165.11

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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.