Home / 11,113.50-15,336.54-6,077.73

Finding the Fourth Proportional to 11,113.50, 15,336.54 and 6,077.73

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Solution

The fourth proportional to 11,113.50, 15,336.54 and 6,077.73 is: 8,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.50 : 15,336.54 = 6,077.73 : x
  2. Step 2: Convert to fraction form
    11,113.50/15,336.54 = 6,077.73/x
  3. Step 3: Cross multiply
    11,113.50x = 15,336.54 × 6,077.73
  4. Step 4: Simplify right side
    11,113.50x = 93,211,406.77
  5. Step 5: Solve for x
    x = 93,211,406.77/11,113.50
  6. Step 6: Final answer
    x = 8,387.22

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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.