Home / 11,683.16-16,122.55-6,647.27

Finding the Fourth Proportional to 11,683.16, 16,122.55 and 6,647.27

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Solution

The fourth proportional to 11,683.16, 16,122.55 and 6,647.27 is: 9,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.16 : 16,122.55 = 6,647.27 : x
  2. Step 2: Convert to fraction form
    11,683.16/16,122.55 = 6,647.27/x
  3. Step 3: Cross multiply
    11,683.16x = 16,122.55 × 6,647.27
  4. Step 4: Simplify right side
    11,683.16x = 107,170,888.40
  5. Step 5: Solve for x
    x = 107,170,888.40/11,683.16
  6. Step 6: Final answer
    x = 9,173.11

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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.