Home / 11,164.58-15,368.46-9,651.44

Finding the Fourth Proportional to 11,164.58, 15,368.46 and 9,651.44

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Solution

The fourth proportional to 11,164.58, 15,368.46 and 9,651.44 is: 13,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.58 : 15,368.46 = 9,651.44 : x
  2. Step 2: Convert to fraction form
    11,164.58/15,368.46 = 9,651.44/x
  3. Step 3: Cross multiply
    11,164.58x = 15,368.46 × 9,651.44
  4. Step 4: Simplify right side
    11,164.58x = 148,327,769.58
  5. Step 5: Solve for x
    x = 148,327,769.58/11,164.58
  6. Step 6: Final answer
    x = 13,285.57

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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.