Home / 8,146.23-12,220.41-2,303.01

Finding the Fourth Proportional to 8,146.23, 12,220.41 and 2,303.01

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Solution

The fourth proportional to 8,146.23, 12,220.41 and 2,303.01 is: 3,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.23 : 12,220.41 = 2,303.01 : x
  2. Step 2: Convert to fraction form
    8,146.23/12,220.41 = 2,303.01/x
  3. Step 3: Cross multiply
    8,146.23x = 12,220.41 × 2,303.01
  4. Step 4: Simplify right side
    8,146.23x = 28,143,726.43
  5. Step 5: Solve for x
    x = 28,143,726.43/8,146.23
  6. Step 6: Final answer
    x = 3,454.82

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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.