Home / 9,088.91-13,629-5,391.62

Finding the Fourth Proportional to 9,088.91, 13,629 and 5,391.62

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Solution

The fourth proportional to 9,088.91, 13,629 and 5,391.62 is: 8,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.91 : 13,629 = 5,391.62 : x
  2. Step 2: Convert to fraction form
    9,088.91/13,629 = 5,391.62/x
  3. Step 3: Cross multiply
    9,088.91x = 13,629 × 5,391.62
  4. Step 4: Simplify right side
    9,088.91x = 73,482,388.98
  5. Step 5: Solve for x
    x = 73,482,388.98/9,088.91
  6. Step 6: Final answer
    x = 8,084.84

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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.