Home / 7,228.12-9,969.33-5,245.24

Finding the Fourth Proportional to 7,228.12, 9,969.33 and 5,245.24

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Solution

The fourth proportional to 7,228.12, 9,969.33 and 5,245.24 is: 7,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.12 : 9,969.33 = 5,245.24 : x
  2. Step 2: Convert to fraction form
    7,228.12/9,969.33 = 5,245.24/x
  3. Step 3: Cross multiply
    7,228.12x = 9,969.33 × 5,245.24
  4. Step 4: Simplify right side
    7,228.12x = 52,291,528.49
  5. Step 5: Solve for x
    x = 52,291,528.49/7,228.12
  6. Step 6: Final answer
    x = 7,234.46

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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.