Home / 12,873.02-19,309.87-4,107.93

Finding the Fourth Proportional to 12,873.02, 19,309.87 and 4,107.93

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Solution

The fourth proportional to 12,873.02, 19,309.87 and 4,107.93 is: 6,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.02 : 19,309.87 = 4,107.93 : x
  2. Step 2: Convert to fraction form
    12,873.02/19,309.87 = 4,107.93/x
  3. Step 3: Cross multiply
    12,873.02x = 19,309.87 × 4,107.93
  4. Step 4: Simplify right side
    12,873.02x = 79,323,497.72
  5. Step 5: Solve for x
    x = 79,323,497.72/12,873.02
  6. Step 6: Final answer
    x = 6,162.00

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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.