Home / 12,352.12-18,534.66-5,777.08

Finding the Fourth Proportional to 12,352.12, 18,534.66 and 5,777.08

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Solution

The fourth proportional to 12,352.12, 18,534.66 and 5,777.08 is: 8,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.12 : 18,534.66 = 5,777.08 : x
  2. Step 2: Convert to fraction form
    12,352.12/18,534.66 = 5,777.08/x
  3. Step 3: Cross multiply
    12,352.12x = 18,534.66 × 5,777.08
  4. Step 4: Simplify right side
    12,352.12x = 107,076,213.59
  5. Step 5: Solve for x
    x = 107,076,213.59/12,352.12
  6. Step 6: Final answer
    x = 8,668.65

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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.