Home / 11,160.37-15,401.91-6,683.50

Finding the Fourth Proportional to 11,160.37, 15,401.91 and 6,683.50

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Solution

The fourth proportional to 11,160.37, 15,401.91 and 6,683.50 is: 9,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.37 : 15,401.91 = 6,683.50 : x
  2. Step 2: Convert to fraction form
    11,160.37/15,401.91 = 6,683.50/x
  3. Step 3: Cross multiply
    11,160.37x = 15,401.91 × 6,683.50
  4. Step 4: Simplify right side
    11,160.37x = 102,938,665.49
  5. Step 5: Solve for x
    x = 102,938,665.49/11,160.37
  6. Step 6: Final answer
    x = 9,223.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.