Home / 9,134.21-12,601.10-5,357.60

Finding the Fourth Proportional to 9,134.21, 12,601.10 and 5,357.60

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Solution

The fourth proportional to 9,134.21, 12,601.10 and 5,357.60 is: 7,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.21 : 12,601.10 = 5,357.60 : x
  2. Step 2: Convert to fraction form
    9,134.21/12,601.10 = 5,357.60/x
  3. Step 3: Cross multiply
    9,134.21x = 12,601.10 × 5,357.60
  4. Step 4: Simplify right side
    9,134.21x = 67,511,626.57
  5. Step 5: Solve for x
    x = 67,511,626.57/9,134.21
  6. Step 6: Final answer
    x = 7,391.07

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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.