Home / 12,278.53-16,946.42-7,244.00

Finding the Fourth Proportional to 12,278.53, 16,946.42 and 7,244.00

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Solution

The fourth proportional to 12,278.53, 16,946.42 and 7,244.00 is: 9,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.53 : 16,946.42 = 7,244.00 : x
  2. Step 2: Convert to fraction form
    12,278.53/16,946.42 = 7,244.00/x
  3. Step 3: Cross multiply
    12,278.53x = 16,946.42 × 7,244.00
  4. Step 4: Simplify right side
    12,278.53x = 122,759,745.53
  5. Step 5: Solve for x
    x = 122,759,745.53/12,278.53
  6. Step 6: Final answer
    x = 9,997.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.