Home / 12,255.02-18,384.25-4,860.22

Finding the Fourth Proportional to 12,255.02, 18,384.25 and 4,860.22

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Solution

The fourth proportional to 12,255.02, 18,384.25 and 4,860.22 is: 7,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.02 : 18,384.25 = 4,860.22 : x
  2. Step 2: Convert to fraction form
    12,255.02/18,384.25 = 4,860.22/x
  3. Step 3: Cross multiply
    12,255.02x = 18,384.25 × 4,860.22
  4. Step 4: Simplify right side
    12,255.02x = 89,351,499.54
  5. Step 5: Solve for x
    x = 89,351,499.54/12,255.02
  6. Step 6: Final answer
    x = 7,291.01

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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.