Home / 10,299.81-15,449.71-3,724.46

Finding the Fourth Proportional to 10,299.81, 15,449.71 and 3,724.46

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Solution

The fourth proportional to 10,299.81, 15,449.71 and 3,724.46 is: 5,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.81 : 15,449.71 = 3,724.46 : x
  2. Step 2: Convert to fraction form
    10,299.81/15,449.71 = 3,724.46/x
  3. Step 3: Cross multiply
    10,299.81x = 15,449.71 × 3,724.46
  4. Step 4: Simplify right side
    10,299.81x = 57,541,812.25
  5. Step 5: Solve for x
    x = 57,541,812.25/10,299.81
  6. Step 6: Final answer
    x = 5,586.69

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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.