Home / 12,317.58-16,998.21-7,014.18

Finding the Fourth Proportional to 12,317.58, 16,998.21 and 7,014.18

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Solution

The fourth proportional to 12,317.58, 16,998.21 and 7,014.18 is: 9,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.58 : 16,998.21 = 7,014.18 : x
  2. Step 2: Convert to fraction form
    12,317.58/16,998.21 = 7,014.18/x
  3. Step 3: Cross multiply
    12,317.58x = 16,998.21 × 7,014.18
  4. Step 4: Simplify right side
    12,317.58x = 119,228,504.62
  5. Step 5: Solve for x
    x = 119,228,504.62/12,317.58
  6. Step 6: Final answer
    x = 9,679.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.