Home / 8,621.22-11,901.84-5,803.41

Finding the Fourth Proportional to 8,621.22, 11,901.84 and 5,803.41

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Solution

The fourth proportional to 8,621.22, 11,901.84 and 5,803.41 is: 8,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.22 : 11,901.84 = 5,803.41 : x
  2. Step 2: Convert to fraction form
    8,621.22/11,901.84 = 5,803.41/x
  3. Step 3: Cross multiply
    8,621.22x = 11,901.84 × 5,803.41
  4. Step 4: Simplify right side
    8,621.22x = 69,071,257.27
  5. Step 5: Solve for x
    x = 69,071,257.27/8,621.22
  6. Step 6: Final answer
    x = 8,011.77

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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.