Home / 10,236.26-15,356.55-3,315.62

Finding the Fourth Proportional to 10,236.26, 15,356.55 and 3,315.62

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Solution

The fourth proportional to 10,236.26, 15,356.55 and 3,315.62 is: 4,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.26 : 15,356.55 = 3,315.62 : x
  2. Step 2: Convert to fraction form
    10,236.26/15,356.55 = 3,315.62/x
  3. Step 3: Cross multiply
    10,236.26x = 15,356.55 × 3,315.62
  4. Step 4: Simplify right side
    10,236.26x = 50,916,407.53
  5. Step 5: Solve for x
    x = 50,916,407.53/10,236.26
  6. Step 6: Final answer
    x = 4,974.12

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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.