Home / 8,088.30-12,119.49-6,792.30

Finding the Fourth Proportional to 8,088.30, 12,119.49 and 6,792.30

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Solution

The fourth proportional to 8,088.30, 12,119.49 and 6,792.30 is: 10,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.30 : 12,119.49 = 6,792.30 : x
  2. Step 2: Convert to fraction form
    8,088.30/12,119.49 = 6,792.30/x
  3. Step 3: Cross multiply
    8,088.30x = 12,119.49 × 6,792.30
  4. Step 4: Simplify right side
    8,088.30x = 82,319,211.93
  5. Step 5: Solve for x
    x = 82,319,211.93/8,088.30
  6. Step 6: Final answer
    x = 10,177.57

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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.