Home / 11,753.28-16,219.98-6,448.32

Finding the Fourth Proportional to 11,753.28, 16,219.98 and 6,448.32

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Solution

The fourth proportional to 11,753.28, 16,219.98 and 6,448.32 is: 8,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.28 : 16,219.98 = 6,448.32 : x
  2. Step 2: Convert to fraction form
    11,753.28/16,219.98 = 6,448.32/x
  3. Step 3: Cross multiply
    11,753.28x = 16,219.98 × 6,448.32
  4. Step 4: Simplify right side
    11,753.28x = 104,591,621.43
  5. Step 5: Solve for x
    x = 104,591,621.43/11,753.28
  6. Step 6: Final answer
    x = 8,898.93

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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.