Home / 11,398.31-17,103.38-8,624.16

Finding the Fourth Proportional to 11,398.31, 17,103.38 and 8,624.16

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Solution

The fourth proportional to 11,398.31, 17,103.38 and 8,624.16 is: 12,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.31 : 17,103.38 = 8,624.16 : x
  2. Step 2: Convert to fraction form
    11,398.31/17,103.38 = 8,624.16/x
  3. Step 3: Cross multiply
    11,398.31x = 17,103.38 × 8,624.16
  4. Step 4: Simplify right side
    11,398.31x = 147,502,285.66
  5. Step 5: Solve for x
    x = 147,502,285.66/11,398.31
  6. Step 6: Final answer
    x = 12,940.72

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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.