Home / 12,254.02-18,382.75-4,859.22

Finding the Fourth Proportional to 12,254.02, 18,382.75 and 4,859.22

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Solution

The fourth proportional to 12,254.02, 18,382.75 and 4,859.22 is: 7,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.02 : 18,382.75 = 4,859.22 : x
  2. Step 2: Convert to fraction form
    12,254.02/18,382.75 = 4,859.22/x
  3. Step 3: Cross multiply
    12,254.02x = 18,382.75 × 4,859.22
  4. Step 4: Simplify right side
    12,254.02x = 89,325,883.24
  5. Step 5: Solve for x
    x = 89,325,883.24/12,254.02
  6. Step 6: Final answer
    x = 7,289.52

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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.