Home / 11,567.56-17,351.70-4,989.16

Finding the Fourth Proportional to 11,567.56, 17,351.70 and 4,989.16

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Solution

The fourth proportional to 11,567.56, 17,351.70 and 4,989.16 is: 7,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.56 : 17,351.70 = 4,989.16 : x
  2. Step 2: Convert to fraction form
    11,567.56/17,351.70 = 4,989.16/x
  3. Step 3: Cross multiply
    11,567.56x = 17,351.70 × 4,989.16
  4. Step 4: Simplify right side
    11,567.56x = 86,570,407.57
  5. Step 5: Solve for x
    x = 86,570,407.57/11,567.56
  6. Step 6: Final answer
    x = 7,483.90

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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.