Home / 11,317.50-16,944.62-8,535.47

Finding the Fourth Proportional to 11,317.50, 16,944.62 and 8,535.47

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Solution

The fourth proportional to 11,317.50, 16,944.62 and 8,535.47 is: 12,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.50 : 16,944.62 = 8,535.47 : x
  2. Step 2: Convert to fraction form
    11,317.50/16,944.62 = 8,535.47/x
  3. Step 3: Cross multiply
    11,317.50x = 16,944.62 × 8,535.47
  4. Step 4: Simplify right side
    11,317.50x = 144,630,168.27
  5. Step 5: Solve for x
    x = 144,630,168.27/11,317.50
  6. Step 6: Final answer
    x = 12,779.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.