Home / 12,283.07-18,423.06-5,617.62

Finding the Fourth Proportional to 12,283.07, 18,423.06 and 5,617.62

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Solution

The fourth proportional to 12,283.07, 18,423.06 and 5,617.62 is: 8,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.07 : 18,423.06 = 5,617.62 : x
  2. Step 2: Convert to fraction form
    12,283.07/18,423.06 = 5,617.62/x
  3. Step 3: Cross multiply
    12,283.07x = 18,423.06 × 5,617.62
  4. Step 4: Simplify right side
    12,283.07x = 103,493,729.25
  5. Step 5: Solve for x
    x = 103,493,729.25/12,283.07
  6. Step 6: Final answer
    x = 8,425.73

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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.