Home / 8,440.12-11,647.02-4,902.04

Finding the Fourth Proportional to 8,440.12, 11,647.02 and 4,902.04

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Solution

The fourth proportional to 8,440.12, 11,647.02 and 4,902.04 is: 6,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.12 : 11,647.02 = 4,902.04 : x
  2. Step 2: Convert to fraction form
    8,440.12/11,647.02 = 4,902.04/x
  3. Step 3: Cross multiply
    8,440.12x = 11,647.02 × 4,902.04
  4. Step 4: Simplify right side
    8,440.12x = 57,094,157.92
  5. Step 5: Solve for x
    x = 57,094,157.92/8,440.12
  6. Step 6: Final answer
    x = 6,764.61

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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.