Home / 11,160.23-15,401.57-6,683.09

Finding the Fourth Proportional to 11,160.23, 15,401.57 and 6,683.09

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Solution

The fourth proportional to 11,160.23, 15,401.57 and 6,683.09 is: 9,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.23 : 15,401.57 = 6,683.09 : x
  2. Step 2: Convert to fraction form
    11,160.23/15,401.57 = 6,683.09/x
  3. Step 3: Cross multiply
    11,160.23x = 15,401.57 × 6,683.09
  4. Step 4: Simplify right side
    11,160.23x = 102,929,968.03
  5. Step 5: Solve for x
    x = 102,929,968.03/11,160.23
  6. Step 6: Final answer
    x = 9,222.93

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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.