Home / 10,336.92-14,264.87-5,621.20

Finding the Fourth Proportional to 10,336.92, 14,264.87 and 5,621.20

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Solution

The fourth proportional to 10,336.92, 14,264.87 and 5,621.20 is: 7,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.92 : 14,264.87 = 5,621.20 : x
  2. Step 2: Convert to fraction form
    10,336.92/14,264.87 = 5,621.20/x
  3. Step 3: Cross multiply
    10,336.92x = 14,264.87 × 5,621.20
  4. Step 4: Simplify right side
    10,336.92x = 80,185,687.24
  5. Step 5: Solve for x
    x = 80,185,687.24/10,336.92
  6. Step 6: Final answer
    x = 7,757.21

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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.