Home / 10,313.96-15,470.90-3,738.62

Finding the Fourth Proportional to 10,313.96, 15,470.90 and 3,738.62

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Solution

The fourth proportional to 10,313.96, 15,470.90 and 3,738.62 is: 5,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.96 : 15,470.90 = 3,738.62 : x
  2. Step 2: Convert to fraction form
    10,313.96/15,470.90 = 3,738.62/x
  3. Step 3: Cross multiply
    10,313.96x = 15,470.90 × 3,738.62
  4. Step 4: Simplify right side
    10,313.96x = 57,839,816.16
  5. Step 5: Solve for x
    x = 57,839,816.16/10,313.96
  6. Step 6: Final answer
    x = 5,607.92

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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.