Home / 7,365.12-11,052.48-6,771.84

Finding the Fourth Proportional to 7,365.12, 11,052.48 and 6,771.84

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Solution

The fourth proportional to 7,365.12, 11,052.48 and 6,771.84 is: 10,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.12 : 11,052.48 = 6,771.84 : x
  2. Step 2: Convert to fraction form
    7,365.12/11,052.48 = 6,771.84/x
  3. Step 3: Cross multiply
    7,365.12x = 11,052.48 × 6,771.84
  4. Step 4: Simplify right side
    7,365.12x = 74,845,626.16
  5. Step 5: Solve for x
    x = 74,845,626.16/7,365.12
  6. Step 6: Final answer
    x = 10,162.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.