Home / 8,819.02-12,170.36-4,840.06

Finding the Fourth Proportional to 8,819.02, 12,170.36 and 4,840.06

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Solution

The fourth proportional to 8,819.02, 12,170.36 and 4,840.06 is: 6,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.02 : 12,170.36 = 4,840.06 : x
  2. Step 2: Convert to fraction form
    8,819.02/12,170.36 = 4,840.06/x
  3. Step 3: Cross multiply
    8,819.02x = 12,170.36 × 4,840.06
  4. Step 4: Simplify right side
    8,819.02x = 58,905,272.62
  5. Step 5: Solve for x
    x = 58,905,272.62/8,819.02
  6. Step 6: Final answer
    x = 6,679.34

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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.