Home / 12,197.36-18,289.56-4,403

Finding the Fourth Proportional to 12,197.36, 18,289.56 and 4,403

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Solution

The fourth proportional to 12,197.36, 18,289.56 and 4,403 is: 6,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.36 : 18,289.56 = 4,403 : x
  2. Step 2: Convert to fraction form
    12,197.36/18,289.56 = 4,403/x
  3. Step 3: Cross multiply
    12,197.36x = 18,289.56 × 4,403
  4. Step 4: Simplify right side
    12,197.36x = 80,528,932.68
  5. Step 5: Solve for x
    x = 80,528,932.68/12,197.36
  6. Step 6: Final answer
    x = 6,602.16

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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.