Home / 9,168.93-12,652.74-5,190.14

Finding the Fourth Proportional to 9,168.93, 12,652.74 and 5,190.14

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Solution

The fourth proportional to 9,168.93, 12,652.74 and 5,190.14 is: 7,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.93 : 12,652.74 = 5,190.14 : x
  2. Step 2: Convert to fraction form
    9,168.93/12,652.74 = 5,190.14/x
  3. Step 3: Cross multiply
    9,168.93x = 12,652.74 × 5,190.14
  4. Step 4: Simplify right side
    9,168.93x = 65,669,523.62
  5. Step 5: Solve for x
    x = 65,669,523.62/9,168.93
  6. Step 6: Final answer
    x = 7,162.18

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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.