Home / 10,361.18-15,541.75-4,811.49

Finding the Fourth Proportional to 10,361.18, 15,541.75 and 4,811.49

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Solution

The fourth proportional to 10,361.18, 15,541.75 and 4,811.49 is: 7,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.18 : 15,541.75 = 4,811.49 : x
  2. Step 2: Convert to fraction form
    10,361.18/15,541.75 = 4,811.49/x
  3. Step 3: Cross multiply
    10,361.18x = 15,541.75 × 4,811.49
  4. Step 4: Simplify right side
    10,361.18x = 74,778,974.71
  5. Step 5: Solve for x
    x = 74,778,974.71/10,361.18
  6. Step 6: Final answer
    x = 7,217.23

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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.