Home / 10,665.03-14,720.67-6,190.23

Finding the Fourth Proportional to 10,665.03, 14,720.67 and 6,190.23

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Solution

The fourth proportional to 10,665.03, 14,720.67 and 6,190.23 is: 8,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.03 : 14,720.67 = 6,190.23 : x
  2. Step 2: Convert to fraction form
    10,665.03/14,720.67 = 6,190.23/x
  3. Step 3: Cross multiply
    10,665.03x = 14,720.67 × 6,190.23
  4. Step 4: Simplify right side
    10,665.03x = 91,124,333.05
  5. Step 5: Solve for x
    x = 91,124,333.05/10,665.03
  6. Step 6: Final answer
    x = 8,544.22

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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.