Home / 12,846.74-19,268.10-4,080.50

Finding the Fourth Proportional to 12,846.74, 19,268.10 and 4,080.50

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Solution

The fourth proportional to 12,846.74, 19,268.10 and 4,080.50 is: 6,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.74 : 19,268.10 = 4,080.50 : x
  2. Step 2: Convert to fraction form
    12,846.74/19,268.10 = 4,080.50/x
  3. Step 3: Cross multiply
    12,846.74x = 19,268.10 × 4,080.50
  4. Step 4: Simplify right side
    12,846.74x = 78,623,482.05
  5. Step 5: Solve for x
    x = 78,623,482.05/12,846.74
  6. Step 6: Final answer
    x = 6,120.11

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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.