Home / 12,118.14-16,732.44-9,460.89

Finding the Fourth Proportional to 12,118.14, 16,732.44 and 9,460.89

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Solution

The fourth proportional to 12,118.14, 16,732.44 and 9,460.89 is: 13,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118.14 : 16,732.44 = 9,460.89 : x
  2. Step 2: Convert to fraction form
    12,118.14/16,732.44 = 9,460.89/x
  3. Step 3: Cross multiply
    12,118.14x = 16,732.44 × 9,460.89
  4. Step 4: Simplify right side
    12,118.14x = 158,303,774.27
  5. Step 5: Solve for x
    x = 158,303,774.27/12,118.14
  6. Step 6: Final answer
    x = 13,063.37

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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.