Home / 12,349.99-18,527.69-3,585.66

Finding the Fourth Proportional to 12,349.99, 18,527.69 and 3,585.66

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Solution

The fourth proportional to 12,349.99, 18,527.69 and 3,585.66 is: 5,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.99 : 18,527.69 = 3,585.66 : x
  2. Step 2: Convert to fraction form
    12,349.99/18,527.69 = 3,585.66/x
  3. Step 3: Cross multiply
    12,349.99x = 18,527.69 × 3,585.66
  4. Step 4: Simplify right side
    12,349.99x = 66,433,996.93
  5. Step 5: Solve for x
    x = 66,433,996.93/12,349.99
  6. Step 6: Final answer
    x = 5,379.28

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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.