Home / 9,184.14-12,674.48-5,205.20

Finding the Fourth Proportional to 9,184.14, 12,674.48 and 5,205.20

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Solution

The fourth proportional to 9,184.14, 12,674.48 and 5,205.20 is: 7,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.14 : 12,674.48 = 5,205.20 : x
  2. Step 2: Convert to fraction form
    9,184.14/12,674.48 = 5,205.20/x
  3. Step 3: Cross multiply
    9,184.14x = 12,674.48 × 5,205.20
  4. Step 4: Simplify right side
    9,184.14x = 65,973,113.90
  5. Step 5: Solve for x
    x = 65,973,113.90/9,184.14
  6. Step 6: Final answer
    x = 7,183.37

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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.