Home / 12,322.41-18,485.43-4,530.63

Finding the Fourth Proportional to 12,322.41, 18,485.43 and 4,530.63

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Solution

The fourth proportional to 12,322.41, 18,485.43 and 4,530.63 is: 6,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.41 : 18,485.43 = 4,530.63 : x
  2. Step 2: Convert to fraction form
    12,322.41/18,485.43 = 4,530.63/x
  3. Step 3: Cross multiply
    12,322.41x = 18,485.43 × 4,530.63
  4. Step 4: Simplify right side
    12,322.41x = 83,750,643.72
  5. Step 5: Solve for x
    x = 83,750,643.72/12,322.41
  6. Step 6: Final answer
    x = 6,796.61

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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.