Home / 11,673.72-16,109.69-6,368.52

Finding the Fourth Proportional to 11,673.72, 16,109.69 and 6,368.52

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Solution

The fourth proportional to 11,673.72, 16,109.69 and 6,368.52 is: 8,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.72 : 16,109.69 = 6,368.52 : x
  2. Step 2: Convert to fraction form
    11,673.72/16,109.69 = 6,368.52/x
  3. Step 3: Cross multiply
    11,673.72x = 16,109.69 × 6,368.52
  4. Step 4: Simplify right side
    11,673.72x = 102,594,911.53
  5. Step 5: Solve for x
    x = 102,594,911.53/11,673.72
  6. Step 6: Final answer
    x = 8,788.54

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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.