Home / 9,270.19-12,792.79-5,021.15

Finding the Fourth Proportional to 9,270.19, 12,792.79 and 5,021.15

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Solution

The fourth proportional to 9,270.19, 12,792.79 and 5,021.15 is: 6,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.19 : 12,792.79 = 5,021.15 : x
  2. Step 2: Convert to fraction form
    9,270.19/12,792.79 = 5,021.15/x
  3. Step 3: Cross multiply
    9,270.19x = 12,792.79 × 5,021.15
  4. Step 4: Simplify right side
    9,270.19x = 64,234,517.51
  5. Step 5: Solve for x
    x = 64,234,517.51/9,270.19
  6. Step 6: Final answer
    x = 6,929.15

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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.