Home / 9,316.50-13,975.56-2,391

Finding the Fourth Proportional to 9,316.50, 13,975.56 and 2,391

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Solution

The fourth proportional to 9,316.50, 13,975.56 and 2,391 is: 3,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.50 : 13,975.56 = 2,391 : x
  2. Step 2: Convert to fraction form
    9,316.50/13,975.56 = 2,391/x
  3. Step 3: Cross multiply
    9,316.50x = 13,975.56 × 2,391
  4. Step 4: Simplify right side
    9,316.50x = 33,415,563.96
  5. Step 5: Solve for x
    x = 33,415,563.96/9,316.50
  6. Step 6: Final answer
    x = 3,586.71

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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.