Home / 12,696.12-19,048.32-6,123.06

Finding the Fourth Proportional to 12,696.12, 19,048.32 and 6,123.06

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Solution

The fourth proportional to 12,696.12, 19,048.32 and 6,123.06 is: 9,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.12 : 19,048.32 = 6,123.06 : x
  2. Step 2: Convert to fraction form
    12,696.12/19,048.32 = 6,123.06/x
  3. Step 3: Cross multiply
    12,696.12x = 19,048.32 × 6,123.06
  4. Step 4: Simplify right side
    12,696.12x = 116,634,006.26
  5. Step 5: Solve for x
    x = 116,634,006.26/12,696.12
  6. Step 6: Final answer
    x = 9,186.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.