Home / 9,872.30-13,623.53-5,395.92

Finding the Fourth Proportional to 9,872.30, 13,623.53 and 5,395.92

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Solution

The fourth proportional to 9,872.30, 13,623.53 and 5,395.92 is: 7,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.30 : 13,623.53 = 5,395.92 : x
  2. Step 2: Convert to fraction form
    9,872.30/13,623.53 = 5,395.92/x
  3. Step 3: Cross multiply
    9,872.30x = 13,623.53 × 5,395.92
  4. Step 4: Simplify right side
    9,872.30x = 73,511,451.02
  5. Step 5: Solve for x
    x = 73,511,451.02/9,872.30
  6. Step 6: Final answer
    x = 7,446.24

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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.