Home / 9,149.04-13,724.16-3,305.68

Finding the Fourth Proportional to 9,149.04, 13,724.16 and 3,305.68

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Solution

The fourth proportional to 9,149.04, 13,724.16 and 3,305.68 is: 4,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.04 : 13,724.16 = 3,305.68 : x
  2. Step 2: Convert to fraction form
    9,149.04/13,724.16 = 3,305.68/x
  3. Step 3: Cross multiply
    9,149.04x = 13,724.16 × 3,305.68
  4. Step 4: Simplify right side
    9,149.04x = 45,367,681.23
  5. Step 5: Solve for x
    x = 45,367,681.23/9,149.04
  6. Step 6: Final answer
    x = 4,958.74

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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.