Home / 12,368.71-18,548.37-4,469.09

Finding the Fourth Proportional to 12,368.71, 18,548.37 and 4,469.09

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Solution

The fourth proportional to 12,368.71, 18,548.37 and 4,469.09 is: 6,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.71 : 18,548.37 = 4,469.09 : x
  2. Step 2: Convert to fraction form
    12,368.71/18,548.37 = 4,469.09/x
  3. Step 3: Cross multiply
    12,368.71x = 18,548.37 × 4,469.09
  4. Step 4: Simplify right side
    12,368.71x = 82,894,242.14
  5. Step 5: Solve for x
    x = 82,894,242.14/12,368.71
  6. Step 6: Final answer
    x = 6,701.93

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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.