Home / 9,088.57-13,620.07-7,231.42

Finding the Fourth Proportional to 9,088.57, 13,620.07 and 7,231.42

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Solution

The fourth proportional to 9,088.57, 13,620.07 and 7,231.42 is: 10,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.57 : 13,620.07 = 7,231.42 : x
  2. Step 2: Convert to fraction form
    9,088.57/13,620.07 = 7,231.42/x
  3. Step 3: Cross multiply
    9,088.57x = 13,620.07 × 7,231.42
  4. Step 4: Simplify right side
    9,088.57x = 98,492,446.60
  5. Step 5: Solve for x
    x = 98,492,446.60/9,088.57
  6. Step 6: Final answer
    x = 10,836.96

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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.