Home / 12,360.32-17,057.08-6,771.36

Finding the Fourth Proportional to 12,360.32, 17,057.08 and 6,771.36

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Solution

The fourth proportional to 12,360.32, 17,057.08 and 6,771.36 is: 9,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.32 : 17,057.08 = 6,771.36 : x
  2. Step 2: Convert to fraction form
    12,360.32/17,057.08 = 6,771.36/x
  3. Step 3: Cross multiply
    12,360.32x = 17,057.08 × 6,771.36
  4. Step 4: Simplify right side
    12,360.32x = 115,499,629.23
  5. Step 5: Solve for x
    x = 115,499,629.23/12,360.32
  6. Step 6: Final answer
    x = 9,344.39

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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.