Home / 8,792.48-12,134.43-5,255.61

Finding the Fourth Proportional to 8,792.48, 12,134.43 and 5,255.61

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Solution

The fourth proportional to 8,792.48, 12,134.43 and 5,255.61 is: 7,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.48 : 12,134.43 = 5,255.61 : x
  2. Step 2: Convert to fraction form
    8,792.48/12,134.43 = 5,255.61/x
  3. Step 3: Cross multiply
    8,792.48x = 12,134.43 × 5,255.61
  4. Step 4: Simplify right side
    8,792.48x = 63,773,831.65
  5. Step 5: Solve for x
    x = 63,773,831.65/8,792.48
  6. Step 6: Final answer
    x = 7,253.22

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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.