Home / 11,639.56-16,062.34-6,334.50

Finding the Fourth Proportional to 11,639.56, 16,062.34 and 6,334.50

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Solution

The fourth proportional to 11,639.56, 16,062.34 and 6,334.50 is: 8,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.56 : 16,062.34 = 6,334.50 : x
  2. Step 2: Convert to fraction form
    11,639.56/16,062.34 = 6,334.50/x
  3. Step 3: Cross multiply
    11,639.56x = 16,062.34 × 6,334.50
  4. Step 4: Simplify right side
    11,639.56x = 101,746,892.73
  5. Step 5: Solve for x
    x = 101,746,892.73/11,639.56
  6. Step 6: Final answer
    x = 8,741.47

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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.