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Finding the Fourth Proportional to 11,803.46, 16,290.36 and 7,623.86

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Solution

The fourth proportional to 11,803.46, 16,290.36 and 7,623.86 is: 10,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.46 : 16,290.36 = 7,623.86 : x
  2. Step 2: Convert to fraction form
    11,803.46/16,290.36 = 7,623.86/x
  3. Step 3: Cross multiply
    11,803.46x = 16,290.36 × 7,623.86
  4. Step 4: Simplify right side
    11,803.46x = 124,195,423.99
  5. Step 5: Solve for x
    x = 124,195,423.99/11,803.46
  6. Step 6: Final answer
    x = 10,521.95

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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.