Home / 10,433.28-15,646.61-3,411.67

Finding the Fourth Proportional to 10,433.28, 15,646.61 and 3,411.67

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Solution

The fourth proportional to 10,433.28, 15,646.61 and 3,411.67 is: 5,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.28 : 15,646.61 = 3,411.67 : x
  2. Step 2: Convert to fraction form
    10,433.28/15,646.61 = 3,411.67/x
  3. Step 3: Cross multiply
    10,433.28x = 15,646.61 × 3,411.67
  4. Step 4: Simplify right side
    10,433.28x = 53,381,058.91
  5. Step 5: Solve for x
    x = 53,381,058.91/10,433.28
  6. Step 6: Final answer
    x = 5,116.42

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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.