Home / 10,921.63-16,382.44-2,713.63

Finding the Fourth Proportional to 10,921.63, 16,382.44 and 2,713.63

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Solution

The fourth proportional to 10,921.63, 16,382.44 and 2,713.63 is: 4,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.63 : 16,382.44 = 2,713.63 : x
  2. Step 2: Convert to fraction form
    10,921.63/16,382.44 = 2,713.63/x
  3. Step 3: Cross multiply
    10,921.63x = 16,382.44 × 2,713.63
  4. Step 4: Simplify right side
    10,921.63x = 44,455,798.75
  5. Step 5: Solve for x
    x = 44,455,798.75/10,921.63
  6. Step 6: Final answer
    x = 4,070.44

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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.