Home / 11,316.90-16,975.35-3,525.72

Finding the Fourth Proportional to 11,316.90, 16,975.35 and 3,525.72

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Solution

The fourth proportional to 11,316.90, 16,975.35 and 3,525.72 is: 5,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.90 : 16,975.35 = 3,525.72 : x
  2. Step 2: Convert to fraction form
    11,316.90/16,975.35 = 3,525.72/x
  3. Step 3: Cross multiply
    11,316.90x = 16,975.35 × 3,525.72
  4. Step 4: Simplify right side
    11,316.90x = 59,850,331.00
  5. Step 5: Solve for x
    x = 59,850,331.00/11,316.90
  6. Step 6: Final answer
    x = 5,288.58

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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.