Home / 11,683.67-16,124.87-6,649.11

Finding the Fourth Proportional to 11,683.67, 16,124.87 and 6,649.11

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Solution

The fourth proportional to 11,683.67, 16,124.87 and 6,649.11 is: 9,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.67 : 16,124.87 = 6,649.11 : x
  2. Step 2: Convert to fraction form
    11,683.67/16,124.87 = 6,649.11/x
  3. Step 3: Cross multiply
    11,683.67x = 16,124.87 × 6,649.11
  4. Step 4: Simplify right side
    11,683.67x = 107,216,050.99
  5. Step 5: Solve for x
    x = 107,216,050.99/11,683.67
  6. Step 6: Final answer
    x = 9,176.58

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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.