Home / 10,401.28-15,604.68-3,006.36

Finding the Fourth Proportional to 10,401.28, 15,604.68 and 3,006.36

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Solution

The fourth proportional to 10,401.28, 15,604.68 and 3,006.36 is: 4,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.28 : 15,604.68 = 3,006.36 : x
  2. Step 2: Convert to fraction form
    10,401.28/15,604.68 = 3,006.36/x
  3. Step 3: Cross multiply
    10,401.28x = 15,604.68 × 3,006.36
  4. Step 4: Simplify right side
    10,401.28x = 46,913,285.76
  5. Step 5: Solve for x
    x = 46,913,285.76/10,401.28
  6. Step 6: Final answer
    x = 4,510.34

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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.