Home / 11,653.92-16,082.40-6,348.74

Finding the Fourth Proportional to 11,653.92, 16,082.40 and 6,348.74

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Solution

The fourth proportional to 11,653.92, 16,082.40 and 6,348.74 is: 8,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.92 : 16,082.40 = 6,348.74 : x
  2. Step 2: Convert to fraction form
    11,653.92/16,082.40 = 6,348.74/x
  3. Step 3: Cross multiply
    11,653.92x = 16,082.40 × 6,348.74
  4. Step 4: Simplify right side
    11,653.92x = 102,102,895.76
  5. Step 5: Solve for x
    x = 102,102,895.76/11,653.92
  6. Step 6: Final answer
    x = 8,761.25

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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.