Home / 12,099.07-18,145.56-4,306.06

Finding the Fourth Proportional to 12,099.07, 18,145.56 and 4,306.06

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Solution

The fourth proportional to 12,099.07, 18,145.56 and 4,306.06 is: 6,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.07 : 18,145.56 = 4,306.06 : x
  2. Step 2: Convert to fraction form
    12,099.07/18,145.56 = 4,306.06/x
  3. Step 3: Cross multiply
    12,099.07x = 18,145.56 × 4,306.06
  4. Step 4: Simplify right side
    12,099.07x = 78,135,782.63
  5. Step 5: Solve for x
    x = 78,135,782.63/12,099.07
  6. Step 6: Final answer
    x = 6,458.00

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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.