Home / 9,312.36-13,968.69-2,292.39

Finding the Fourth Proportional to 9,312.36, 13,968.69 and 2,292.39

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Solution

The fourth proportional to 9,312.36, 13,968.69 and 2,292.39 is: 3,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.36 : 13,968.69 = 2,292.39 : x
  2. Step 2: Convert to fraction form
    9,312.36/13,968.69 = 2,292.39/x
  3. Step 3: Cross multiply
    9,312.36x = 13,968.69 × 2,292.39
  4. Step 4: Simplify right side
    9,312.36x = 32,021,685.27
  5. Step 5: Solve for x
    x = 32,021,685.27/9,312.36
  6. Step 6: Final answer
    x = 3,438.62

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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.