Home / 11,941.76-16,479.50-6,636.46

Finding the Fourth Proportional to 11,941.76, 16,479.50 and 6,636.46

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Solution

The fourth proportional to 11,941.76, 16,479.50 and 6,636.46 is: 9,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.76 : 16,479.50 = 6,636.46 : x
  2. Step 2: Convert to fraction form
    11,941.76/16,479.50 = 6,636.46/x
  3. Step 3: Cross multiply
    11,941.76x = 16,479.50 × 6,636.46
  4. Step 4: Simplify right side
    11,941.76x = 109,365,542.57
  5. Step 5: Solve for x
    x = 109,365,542.57/11,941.76
  6. Step 6: Final answer
    x = 9,158.24

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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.