Home / 12,071.58-18,107.40-6,527.54

Finding the Fourth Proportional to 12,071.58, 18,107.40 and 6,527.54

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Solution

The fourth proportional to 12,071.58, 18,107.40 and 6,527.54 is: 9,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.58 : 18,107.40 = 6,527.54 : x
  2. Step 2: Convert to fraction form
    12,071.58/18,107.40 = 6,527.54/x
  3. Step 3: Cross multiply
    12,071.58x = 18,107.40 × 6,527.54
  4. Step 4: Simplify right side
    12,071.58x = 118,196,777.80
  5. Step 5: Solve for x
    x = 118,196,777.80/12,071.58
  6. Step 6: Final answer
    x = 9,791.33

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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.