Home / 11,949.99-16,490.48-6,913.95

Finding the Fourth Proportional to 11,949.99, 16,490.48 and 6,913.95

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Solution

The fourth proportional to 11,949.99, 16,490.48 and 6,913.95 is: 9,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.99 : 16,490.48 = 6,913.95 : x
  2. Step 2: Convert to fraction form
    11,949.99/16,490.48 = 6,913.95/x
  3. Step 3: Cross multiply
    11,949.99x = 16,490.48 × 6,913.95
  4. Step 4: Simplify right side
    11,949.99x = 114,014,319.63
  5. Step 5: Solve for x
    x = 114,014,319.63/11,949.99
  6. Step 6: Final answer
    x = 9,540.96

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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.