Home / 9,941.80-13,720-5,466.02

Finding the Fourth Proportional to 9,941.80, 13,720 and 5,466.02

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Solution

The fourth proportional to 9,941.80, 13,720 and 5,466.02 is: 7,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.80 : 13,720 = 5,466.02 : x
  2. Step 2: Convert to fraction form
    9,941.80/13,720 = 5,466.02/x
  3. Step 3: Cross multiply
    9,941.80x = 13,720 × 5,466.02
  4. Step 4: Simplify right side
    9,941.80x = 74,993,794.40
  5. Step 5: Solve for x
    x = 74,993,794.40/9,941.80
  6. Step 6: Final answer
    x = 7,543.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.