Home / 9,435.03-13,019.99-5,243.55

Finding the Fourth Proportional to 9,435.03, 13,019.99 and 5,243.55

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Solution

The fourth proportional to 9,435.03, 13,019.99 and 5,243.55 is: 7,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.03 : 13,019.99 = 5,243.55 : x
  2. Step 2: Convert to fraction form
    9,435.03/13,019.99 = 5,243.55/x
  3. Step 3: Cross multiply
    9,435.03x = 13,019.99 × 5,243.55
  4. Step 4: Simplify right side
    9,435.03x = 68,270,942.35
  5. Step 5: Solve for x
    x = 68,270,942.35/9,435.03
  6. Step 6: Final answer
    x = 7,235.90

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1.5x scale

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.