Home / 12,240.02-18,366.12-4,849.80

Finding the Fourth Proportional to 12,240.02, 18,366.12 and 4,849.80

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Solution

The fourth proportional to 12,240.02, 18,366.12 and 4,849.80 is: 7,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.02 : 18,366.12 = 4,849.80 : x
  2. Step 2: Convert to fraction form
    12,240.02/18,366.12 = 4,849.80/x
  3. Step 3: Cross multiply
    12,240.02x = 18,366.12 × 4,849.80
  4. Step 4: Simplify right side
    12,240.02x = 89,072,008.78
  5. Step 5: Solve for x
    x = 89,072,008.78/12,240.02
  6. Step 6: Final answer
    x = 7,277.11

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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.