Home / 10,465.28-15,684.56-4,906.38

Finding the Fourth Proportional to 10,465.28, 15,684.56 and 4,906.38

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Solution

The fourth proportional to 10,465.28, 15,684.56 and 4,906.38 is: 7,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.28 : 15,684.56 = 4,906.38 : x
  2. Step 2: Convert to fraction form
    10,465.28/15,684.56 = 4,906.38/x
  3. Step 3: Cross multiply
    10,465.28x = 15,684.56 × 4,906.38
  4. Step 4: Simplify right side
    10,465.28x = 76,954,411.49
  5. Step 5: Solve for x
    x = 76,954,411.49/10,465.28
  6. Step 6: Final answer
    x = 7,353.31

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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.