Home / 12,270.69-18,406.04-3,036.69

Finding the Fourth Proportional to 12,270.69, 18,406.04 and 3,036.69

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Solution

The fourth proportional to 12,270.69, 18,406.04 and 3,036.69 is: 4,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.69 : 18,406.04 = 3,036.69 : x
  2. Step 2: Convert to fraction form
    12,270.69/18,406.04 = 3,036.69/x
  3. Step 3: Cross multiply
    12,270.69x = 18,406.04 × 3,036.69
  4. Step 4: Simplify right side
    12,270.69x = 55,893,422.42
  5. Step 5: Solve for x
    x = 55,893,422.42/12,270.69
  6. Step 6: Final answer
    x = 4,555.04

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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.