Home / 8,503.30-12,736.44-4,111.50

Finding the Fourth Proportional to 8,503.30, 12,736.44 and 4,111.50

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Solution

The fourth proportional to 8,503.30, 12,736.44 and 4,111.50 is: 6,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.30 : 12,736.44 = 4,111.50 : x
  2. Step 2: Convert to fraction form
    8,503.30/12,736.44 = 4,111.50/x
  3. Step 3: Cross multiply
    8,503.30x = 12,736.44 × 4,111.50
  4. Step 4: Simplify right side
    8,503.30x = 52,365,873.06
  5. Step 5: Solve for x
    x = 52,365,873.06/8,503.30
  6. Step 6: Final answer
    x = 6,158.30

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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.