Home / 12,366.24-17,065.20-6,777.12

Finding the Fourth Proportional to 12,366.24, 17,065.20 and 6,777.12

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Solution

The fourth proportional to 12,366.24, 17,065.20 and 6,777.12 is: 9,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.24 : 17,065.20 = 6,777.12 : x
  2. Step 2: Convert to fraction form
    12,366.24/17,065.20 = 6,777.12/x
  3. Step 3: Cross multiply
    12,366.24x = 17,065.20 × 6,777.12
  4. Step 4: Simplify right side
    12,366.24x = 115,652,908.22
  5. Step 5: Solve for x
    x = 115,652,908.22/12,366.24
  6. Step 6: Final answer
    x = 9,352.31

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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.