Home / 10,270.75-14,173.64-5,555.03

Finding the Fourth Proportional to 10,270.75, 14,173.64 and 5,555.03

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Solution

The fourth proportional to 10,270.75, 14,173.64 and 5,555.03 is: 7,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.75 : 14,173.64 = 5,555.03 : x
  2. Step 2: Convert to fraction form
    10,270.75/14,173.64 = 5,555.03/x
  3. Step 3: Cross multiply
    10,270.75x = 14,173.64 × 5,555.03
  4. Step 4: Simplify right side
    10,270.75x = 78,734,995.41
  5. Step 5: Solve for x
    x = 78,734,995.41/10,270.75
  6. Step 6: Final answer
    x = 7,665.94

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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.