Home / 10,996.87-15,182.96-6,812.41

Finding the Fourth Proportional to 10,996.87, 15,182.96 and 6,812.41

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Solution

The fourth proportional to 10,996.87, 15,182.96 and 6,812.41 is: 9,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.87 : 15,182.96 = 6,812.41 : x
  2. Step 2: Convert to fraction form
    10,996.87/15,182.96 = 6,812.41/x
  3. Step 3: Cross multiply
    10,996.87x = 15,182.96 × 6,812.41
  4. Step 4: Simplify right side
    10,996.87x = 103,432,548.53
  5. Step 5: Solve for x
    x = 103,432,548.53/10,996.87
  6. Step 6: Final answer
    x = 9,405.64

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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.