Home / 12,260.75-16,918.88-6,956.46

Finding the Fourth Proportional to 12,260.75, 16,918.88 and 6,956.46

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Solution

The fourth proportional to 12,260.75, 16,918.88 and 6,956.46 is: 9,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.75 : 16,918.88 = 6,956.46 : x
  2. Step 2: Convert to fraction form
    12,260.75/16,918.88 = 6,956.46/x
  3. Step 3: Cross multiply
    12,260.75x = 16,918.88 × 6,956.46
  4. Step 4: Simplify right side
    12,260.75x = 117,695,477.18
  5. Step 5: Solve for x
    x = 117,695,477.18/12,260.75
  6. Step 6: Final answer
    x = 9,599.37

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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.