Home / 10,899.45-16,336.74-4,963.11

Finding the Fourth Proportional to 10,899.45, 16,336.74 and 4,963.11

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Solution

The fourth proportional to 10,899.45, 16,336.74 and 4,963.11 is: 7,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.45 : 16,336.74 = 4,963.11 : x
  2. Step 2: Convert to fraction form
    10,899.45/16,336.74 = 4,963.11/x
  3. Step 3: Cross multiply
    10,899.45x = 16,336.74 × 4,963.11
  4. Step 4: Simplify right side
    10,899.45x = 81,081,037.66
  5. Step 5: Solve for x
    x = 81,081,037.66/10,899.45
  6. Step 6: Final answer
    x = 7,439.00

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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.