Home / 9,157.27-13,735.89-3,312.51

Finding the Fourth Proportional to 9,157.27, 13,735.89 and 3,312.51

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Solution

The fourth proportional to 9,157.27, 13,735.89 and 3,312.51 is: 4,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.27 : 13,735.89 = 3,312.51 : x
  2. Step 2: Convert to fraction form
    9,157.27/13,735.89 = 3,312.51/x
  3. Step 3: Cross multiply
    9,157.27x = 13,735.89 × 3,312.51
  4. Step 4: Simplify right side
    9,157.27x = 45,500,187.74
  5. Step 5: Solve for x
    x = 45,500,187.74/9,157.27
  6. Step 6: Final answer
    x = 4,968.75

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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.