Home / 9,172.44-12,657.87-5,193.54

Finding the Fourth Proportional to 9,172.44, 12,657.87 and 5,193.54

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Solution

The fourth proportional to 9,172.44, 12,657.87 and 5,193.54 is: 7,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.44 : 12,657.87 = 5,193.54 : x
  2. Step 2: Convert to fraction form
    9,172.44/12,657.87 = 5,193.54/x
  3. Step 3: Cross multiply
    9,172.44x = 12,657.87 × 5,193.54
  4. Step 4: Simplify right side
    9,172.44x = 65,739,154.16
  5. Step 5: Solve for x
    x = 65,739,154.16/9,172.44
  6. Step 6: Final answer
    x = 7,167.03

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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.