Home / 12,193.12-16,826.70-6,888.16

Finding the Fourth Proportional to 12,193.12, 16,826.70 and 6,888.16

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Solution

The fourth proportional to 12,193.12, 16,826.70 and 6,888.16 is: 9,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.12 : 16,826.70 = 6,888.16 : x
  2. Step 2: Convert to fraction form
    12,193.12/16,826.70 = 6,888.16/x
  3. Step 3: Cross multiply
    12,193.12x = 16,826.70 × 6,888.16
  4. Step 4: Simplify right side
    12,193.12x = 115,905,001.87
  5. Step 5: Solve for x
    x = 115,905,001.87/12,193.12
  6. Step 6: Final answer
    x = 9,505.77

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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.