Home / 10,938.06-16,395.48-4,361.40

Finding the Fourth Proportional to 10,938.06, 16,395.48 and 4,361.40

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Solution

The fourth proportional to 10,938.06, 16,395.48 and 4,361.40 is: 6,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.06 : 16,395.48 = 4,361.40 : x
  2. Step 2: Convert to fraction form
    10,938.06/16,395.48 = 4,361.40/x
  3. Step 3: Cross multiply
    10,938.06x = 16,395.48 × 4,361.40
  4. Step 4: Simplify right side
    10,938.06x = 71,507,246.47
  5. Step 5: Solve for x
    x = 71,507,246.47/10,938.06
  6. Step 6: Final answer
    x = 6,537.47

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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.