Home / 12,193.45-16,826.43-6,888.76

Finding the Fourth Proportional to 12,193.45, 16,826.43 and 6,888.76

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Solution

The fourth proportional to 12,193.45, 16,826.43 and 6,888.76 is: 9,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.45 : 16,826.43 = 6,888.76 : x
  2. Step 2: Convert to fraction form
    12,193.45/16,826.43 = 6,888.76/x
  3. Step 3: Cross multiply
    12,193.45x = 16,826.43 × 6,888.76
  4. Step 4: Simplify right side
    12,193.45x = 115,913,237.93
  5. Step 5: Solve for x
    x = 115,913,237.93/12,193.45
  6. Step 6: Final answer
    x = 9,506.19

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Double scale
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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.