Home / 12,300.12-16,974.36-6,994.08

Finding the Fourth Proportional to 12,300.12, 16,974.36 and 6,994.08

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Solution

The fourth proportional to 12,300.12, 16,974.36 and 6,994.08 is: 9,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.12 : 16,974.36 = 6,994.08 : x
  2. Step 2: Convert to fraction form
    12,300.12/16,974.36 = 6,994.08/x
  3. Step 3: Cross multiply
    12,300.12x = 16,974.36 × 6,994.08
  4. Step 4: Simplify right side
    12,300.12x = 118,720,031.79
  5. Step 5: Solve for x
    x = 118,720,031.79/12,300.12
  6. Step 6: Final answer
    x = 9,651.94

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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.