Home / 7,771.18-10,728.29-6,066.03

Finding the Fourth Proportional to 7,771.18, 10,728.29 and 6,066.03

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Solution

The fourth proportional to 7,771.18, 10,728.29 and 6,066.03 is: 8,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.18 : 10,728.29 = 6,066.03 : x
  2. Step 2: Convert to fraction form
    7,771.18/10,728.29 = 6,066.03/x
  3. Step 3: Cross multiply
    7,771.18x = 10,728.29 × 6,066.03
  4. Step 4: Simplify right side
    7,771.18x = 65,078,128.99
  5. Step 5: Solve for x
    x = 65,078,128.99/7,771.18
  6. Step 6: Final answer
    x = 8,374.29

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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.