Home / 13,189.96-19,787.10-6,262.12

Finding the Fourth Proportional to 13,189.96, 19,787.10 and 6,262.12

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Solution

The fourth proportional to 13,189.96, 19,787.10 and 6,262.12 is: 9,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.96 : 19,787.10 = 6,262.12 : x
  2. Step 2: Convert to fraction form
    13,189.96/19,787.10 = 6,262.12/x
  3. Step 3: Cross multiply
    13,189.96x = 19,787.10 × 6,262.12
  4. Step 4: Simplify right side
    13,189.96x = 123,909,194.65
  5. Step 5: Solve for x
    x = 123,909,194.65/13,189.96
  6. Step 6: Final answer
    x = 9,394.21

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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.