Home / 11,246.63-15,520.34-6,278.63

Finding the Fourth Proportional to 11,246.63, 15,520.34 and 6,278.63

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Solution

The fourth proportional to 11,246.63, 15,520.34 and 6,278.63 is: 8,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.63 : 15,520.34 = 6,278.63 : x
  2. Step 2: Convert to fraction form
    11,246.63/15,520.34 = 6,278.63/x
  3. Step 3: Cross multiply
    11,246.63x = 15,520.34 × 6,278.63
  4. Step 4: Simplify right side
    11,246.63x = 97,446,410.43
  5. Step 5: Solve for x
    x = 97,446,410.43/11,246.63
  6. Step 6: Final answer
    x = 8,664.50

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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.