Home / 9,620.44-13,276.22-5,429.08

Finding the Fourth Proportional to 9,620.44, 13,276.22 and 5,429.08

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Solution

The fourth proportional to 9,620.44, 13,276.22 and 5,429.08 is: 7,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.44 : 13,276.22 = 5,429.08 : x
  2. Step 2: Convert to fraction form
    9,620.44/13,276.22 = 5,429.08/x
  3. Step 3: Cross multiply
    9,620.44x = 13,276.22 × 5,429.08
  4. Step 4: Simplify right side
    9,620.44x = 72,077,660.48
  5. Step 5: Solve for x
    x = 72,077,660.48/9,620.44
  6. Step 6: Final answer
    x = 7,492.14

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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.