Home / 8,226.23-11,346.96-5,393.78

Finding the Fourth Proportional to 8,226.23, 11,346.96 and 5,393.78

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Solution

The fourth proportional to 8,226.23, 11,346.96 and 5,393.78 is: 7,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.23 : 11,346.96 = 5,393.78 : x
  2. Step 2: Convert to fraction form
    8,226.23/11,346.96 = 5,393.78/x
  3. Step 3: Cross multiply
    8,226.23x = 11,346.96 × 5,393.78
  4. Step 4: Simplify right side
    8,226.23x = 61,203,075.78
  5. Step 5: Solve for x
    x = 61,203,075.78/8,226.23
  6. Step 6: Final answer
    x = 7,440.00

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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.