Home / 12,367.58-18,549.36-4,047.47

Finding the Fourth Proportional to 12,367.58, 18,549.36 and 4,047.47

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Solution

The fourth proportional to 12,367.58, 18,549.36 and 4,047.47 is: 6,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.58 : 18,549.36 = 4,047.47 : x
  2. Step 2: Convert to fraction form
    12,367.58/18,549.36 = 4,047.47/x
  3. Step 3: Cross multiply
    12,367.58x = 18,549.36 × 4,047.47
  4. Step 4: Simplify right side
    12,367.58x = 75,077,978.12
  5. Step 5: Solve for x
    x = 75,077,978.12/12,367.58
  6. Step 6: Final answer
    x = 6,070.55

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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.