Home / 10,366.42-15,549.63-3,440.92

Finding the Fourth Proportional to 10,366.42, 15,549.63 and 3,440.92

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Solution

The fourth proportional to 10,366.42, 15,549.63 and 3,440.92 is: 5,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.42 : 15,549.63 = 3,440.92 : x
  2. Step 2: Convert to fraction form
    10,366.42/15,549.63 = 3,440.92/x
  3. Step 3: Cross multiply
    10,366.42x = 15,549.63 × 3,440.92
  4. Step 4: Simplify right side
    10,366.42x = 53,504,990.79
  5. Step 5: Solve for x
    x = 53,504,990.79/10,366.42
  6. Step 6: Final answer
    x = 5,161.38

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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.