Home / 11,623.40-17,440.12-4,228.91

Finding the Fourth Proportional to 11,623.40, 17,440.12 and 4,228.91

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Solution

The fourth proportional to 11,623.40, 17,440.12 and 4,228.91 is: 6,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.40 : 17,440.12 = 4,228.91 : x
  2. Step 2: Convert to fraction form
    11,623.40/17,440.12 = 4,228.91/x
  3. Step 3: Cross multiply
    11,623.40x = 17,440.12 × 4,228.91
  4. Step 4: Simplify right side
    11,623.40x = 73,752,610.67
  5. Step 5: Solve for x
    x = 73,752,610.67/11,623.40
  6. Step 6: Final answer
    x = 6,345.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.