Home / 11,220.45-15,483.92-6,184.61

Finding the Fourth Proportional to 11,220.45, 15,483.92 and 6,184.61

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Solution

The fourth proportional to 11,220.45, 15,483.92 and 6,184.61 is: 8,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.45 : 15,483.92 = 6,184.61 : x
  2. Step 2: Convert to fraction form
    11,220.45/15,483.92 = 6,184.61/x
  3. Step 3: Cross multiply
    11,220.45x = 15,483.92 × 6,184.61
  4. Step 4: Simplify right side
    11,220.45x = 95,762,006.47
  5. Step 5: Solve for x
    x = 95,762,006.47/11,220.45
  6. Step 6: Final answer
    x = 8,534.60

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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.