Home / 8,316.03-11,473.32-5,172.03

Finding the Fourth Proportional to 8,316.03, 11,473.32 and 5,172.03

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Solution

The fourth proportional to 8,316.03, 11,473.32 and 5,172.03 is: 7,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.03 : 11,473.32 = 5,172.03 : x
  2. Step 2: Convert to fraction form
    8,316.03/11,473.32 = 5,172.03/x
  3. Step 3: Cross multiply
    8,316.03x = 11,473.32 × 5,172.03
  4. Step 4: Simplify right side
    8,316.03x = 59,340,355.24
  5. Step 5: Solve for x
    x = 59,340,355.24/8,316.03
  6. Step 6: Final answer
    x = 7,135.66

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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.