Home / 10,816.87-16,193.67-9,779.26

Finding the Fourth Proportional to 10,816.87, 16,193.67 and 9,779.26

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Solution

The fourth proportional to 10,816.87, 16,193.67 and 9,779.26 is: 14,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.87 : 16,193.67 = 9,779.26 : x
  2. Step 2: Convert to fraction form
    10,816.87/16,193.67 = 9,779.26/x
  3. Step 3: Cross multiply
    10,816.87x = 16,193.67 × 9,779.26
  4. Step 4: Simplify right side
    10,816.87x = 158,362,109.28
  5. Step 5: Solve for x
    x = 158,362,109.28/10,816.87
  6. Step 6: Final answer
    x = 14,640.29

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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.