Home / 11,747.08-16,210.95-6,441.76

Finding the Fourth Proportional to 11,747.08, 16,210.95 and 6,441.76

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Solution

The fourth proportional to 11,747.08, 16,210.95 and 6,441.76 is: 8,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.08 : 16,210.95 = 6,441.76 : x
  2. Step 2: Convert to fraction form
    11,747.08/16,210.95 = 6,441.76/x
  3. Step 3: Cross multiply
    11,747.08x = 16,210.95 × 6,441.76
  4. Step 4: Simplify right side
    11,747.08x = 104,427,049.27
  5. Step 5: Solve for x
    x = 104,427,049.27/11,747.08
  6. Step 6: Final answer
    x = 8,889.62

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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.