Home / 12,106.08-16,704-6,801.12

Finding the Fourth Proportional to 12,106.08, 16,704 and 6,801.12

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Solution

The fourth proportional to 12,106.08, 16,704 and 6,801.12 is: 9,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.08 : 16,704 = 6,801.12 : x
  2. Step 2: Convert to fraction form
    12,106.08/16,704 = 6,801.12/x
  3. Step 3: Cross multiply
    12,106.08x = 16,704 × 6,801.12
  4. Step 4: Simplify right side
    12,106.08x = 113,605,908.48
  5. Step 5: Solve for x
    x = 113,605,908.48/12,106.08
  6. Step 6: Final answer
    x = 9,384.20

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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.