Home / 10,305.54-14,222.52-8,623.98

Finding the Fourth Proportional to 10,305.54, 14,222.52 and 8,623.98

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Solution

The fourth proportional to 10,305.54, 14,222.52 and 8,623.98 is: 11,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.54 : 14,222.52 = 8,623.98 : x
  2. Step 2: Convert to fraction form
    10,305.54/14,222.52 = 8,623.98/x
  3. Step 3: Cross multiply
    10,305.54x = 14,222.52 × 8,623.98
  4. Step 4: Simplify right side
    10,305.54x = 122,654,728.03
  5. Step 5: Solve for x
    x = 122,654,728.03/10,305.54
  6. Step 6: Final answer
    x = 11,901.82

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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.