Home / 11,182-15,424.74-6,982.96

Finding the Fourth Proportional to 11,182, 15,424.74 and 6,982.96

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Solution

The fourth proportional to 11,182, 15,424.74 and 6,982.96 is: 9,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182 : 15,424.74 = 6,982.96 : x
  2. Step 2: Convert to fraction form
    11,182/15,424.74 = 6,982.96/x
  3. Step 3: Cross multiply
    11,182x = 15,424.74 × 6,982.96
  4. Step 4: Simplify right side
    11,182x = 107,710,342.43
  5. Step 5: Solve for x
    x = 107,710,342.43/11,182
  6. Step 6: Final answer
    x = 9,632.48

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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.