Home / 10,423.94-15,637.28-3,401.49

Finding the Fourth Proportional to 10,423.94, 15,637.28 and 3,401.49

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Solution

The fourth proportional to 10,423.94, 15,637.28 and 3,401.49 is: 5,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.94 : 15,637.28 = 3,401.49 : x
  2. Step 2: Convert to fraction form
    10,423.94/15,637.28 = 3,401.49/x
  3. Step 3: Cross multiply
    10,423.94x = 15,637.28 × 3,401.49
  4. Step 4: Simplify right side
    10,423.94x = 53,190,034.54
  5. Step 5: Solve for x
    x = 53,190,034.54/10,423.94
  6. Step 6: Final answer
    x = 5,102.68

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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.