Home / 12,260.36-16,918.78-6,956.18

Finding the Fourth Proportional to 12,260.36, 16,918.78 and 6,956.18

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Solution

The fourth proportional to 12,260.36, 16,918.78 and 6,956.18 is: 9,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.36 : 16,918.78 = 6,956.18 : x
  2. Step 2: Convert to fraction form
    12,260.36/16,918.78 = 6,956.18/x
  3. Step 3: Cross multiply
    12,260.36x = 16,918.78 × 6,956.18
  4. Step 4: Simplify right side
    12,260.36x = 117,689,994.47
  5. Step 5: Solve for x
    x = 117,689,994.47/12,260.36
  6. Step 6: Final answer
    x = 9,599.23

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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.