Home / 12,113.93-16,717.72-6,808.74

Finding the Fourth Proportional to 12,113.93, 16,717.72 and 6,808.74

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Solution

The fourth proportional to 12,113.93, 16,717.72 and 6,808.74 is: 9,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.93 : 16,717.72 = 6,808.74 : x
  2. Step 2: Convert to fraction form
    12,113.93/16,717.72 = 6,808.74/x
  3. Step 3: Cross multiply
    12,113.93x = 16,717.72 × 6,808.74
  4. Step 4: Simplify right side
    12,113.93x = 113,826,608.87
  5. Step 5: Solve for x
    x = 113,826,608.87/12,113.93
  6. Step 6: Final answer
    x = 9,396.34

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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.