Home / 10,040.16-13,855.60-5,850.80

Finding the Fourth Proportional to 10,040.16, 13,855.60 and 5,850.80

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Solution

The fourth proportional to 10,040.16, 13,855.60 and 5,850.80 is: 8,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.16 : 13,855.60 = 5,850.80 : x
  2. Step 2: Convert to fraction form
    10,040.16/13,855.60 = 5,850.80/x
  3. Step 3: Cross multiply
    10,040.16x = 13,855.60 × 5,850.80
  4. Step 4: Simplify right side
    10,040.16x = 81,066,344.48
  5. Step 5: Solve for x
    x = 81,066,344.48/10,040.16
  6. Step 6: Final answer
    x = 8,074.21

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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.