Home / 8,085.48-12,115.80-4,792.04

Finding the Fourth Proportional to 8,085.48, 12,115.80 and 4,792.04

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Solution

The fourth proportional to 8,085.48, 12,115.80 and 4,792.04 is: 7,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.48 : 12,115.80 = 4,792.04 : x
  2. Step 2: Convert to fraction form
    8,085.48/12,115.80 = 4,792.04/x
  3. Step 3: Cross multiply
    8,085.48x = 12,115.80 × 4,792.04
  4. Step 4: Simplify right side
    8,085.48x = 58,059,398.23
  5. Step 5: Solve for x
    x = 58,059,398.23/8,085.48
  6. Step 6: Final answer
    x = 7,180.70

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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.