Home / 11,917.07-16,445.90-6,539.75

Finding the Fourth Proportional to 11,917.07, 16,445.90 and 6,539.75

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Solution

The fourth proportional to 11,917.07, 16,445.90 and 6,539.75 is: 9,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.07 : 16,445.90 = 6,539.75 : x
  2. Step 2: Convert to fraction form
    11,917.07/16,445.90 = 6,539.75/x
  3. Step 3: Cross multiply
    11,917.07x = 16,445.90 × 6,539.75
  4. Step 4: Simplify right side
    11,917.07x = 107,552,074.53
  5. Step 5: Solve for x
    x = 107,552,074.53/11,917.07
  6. Step 6: Final answer
    x = 9,025.04

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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.