Home / 8,792.48-12,133.76-6,278.85

Finding the Fourth Proportional to 8,792.48, 12,133.76 and 6,278.85

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Solution

The fourth proportional to 8,792.48, 12,133.76 and 6,278.85 is: 8,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.48 : 12,133.76 = 6,278.85 : x
  2. Step 2: Convert to fraction form
    8,792.48/12,133.76 = 6,278.85/x
  3. Step 3: Cross multiply
    8,792.48x = 12,133.76 × 6,278.85
  4. Step 4: Simplify right side
    8,792.48x = 76,186,027.58
  5. Step 5: Solve for x
    x = 76,186,027.58/8,792.48
  6. Step 6: Final answer
    x = 8,664.91

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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.