Home / 9,003.63-13,515.39-5,308.53

Finding the Fourth Proportional to 9,003.63, 13,515.39 and 5,308.53

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Solution

The fourth proportional to 9,003.63, 13,515.39 and 5,308.53 is: 7,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.63 : 13,515.39 = 5,308.53 : x
  2. Step 2: Convert to fraction form
    9,003.63/13,515.39 = 5,308.53/x
  3. Step 3: Cross multiply
    9,003.63x = 13,515.39 × 5,308.53
  4. Step 4: Simplify right side
    9,003.63x = 71,746,853.28
  5. Step 5: Solve for x
    x = 71,746,853.28/9,003.63
  6. Step 6: Final answer
    x = 7,968.66

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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.