Home / 9,124.36-13,690.25-3,281.42

Finding the Fourth Proportional to 9,124.36, 13,690.25 and 3,281.42

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Solution

The fourth proportional to 9,124.36, 13,690.25 and 3,281.42 is: 4,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.36 : 13,690.25 = 3,281.42 : x
  2. Step 2: Convert to fraction form
    9,124.36/13,690.25 = 3,281.42/x
  3. Step 3: Cross multiply
    9,124.36x = 13,690.25 × 3,281.42
  4. Step 4: Simplify right side
    9,124.36x = 44,923,460.16
  5. Step 5: Solve for x
    x = 44,923,460.16/9,124.36
  6. Step 6: Final answer
    x = 4,923.46

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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.