Home / 12,260.15-16,918.56-6,956.00

Finding the Fourth Proportional to 12,260.15, 16,918.56 and 6,956.00

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Solution

The fourth proportional to 12,260.15, 16,918.56 and 6,956.00 is: 9,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.15 : 16,918.56 = 6,956.00 : x
  2. Step 2: Convert to fraction form
    12,260.15/16,918.56 = 6,956.00/x
  3. Step 3: Cross multiply
    12,260.15x = 16,918.56 × 6,956.00
  4. Step 4: Simplify right side
    12,260.15x = 117,685,418.77
  5. Step 5: Solve for x
    x = 117,685,418.77/12,260.15
  6. Step 6: Final answer
    x = 9,599.02

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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.