Home / 9,103.20-13,652.88-3,260.16

Finding the Fourth Proportional to 9,103.20, 13,652.88 and 3,260.16

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Solution

The fourth proportional to 9,103.20, 13,652.88 and 3,260.16 is: 4,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.20 : 13,652.88 = 3,260.16 : x
  2. Step 2: Convert to fraction form
    9,103.20/13,652.88 = 3,260.16/x
  3. Step 3: Cross multiply
    9,103.20x = 13,652.88 × 3,260.16
  4. Step 4: Simplify right side
    9,103.20x = 44,510,573.26
  5. Step 5: Solve for x
    x = 44,510,573.26/9,103.20
  6. Step 6: Final answer
    x = 4,889.55

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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.