Home / 11,853.36-16,357.32-6,885.36

Finding the Fourth Proportional to 11,853.36, 16,357.32 and 6,885.36

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Solution

The fourth proportional to 11,853.36, 16,357.32 and 6,885.36 is: 9,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.36 : 16,357.32 = 6,885.36 : x
  2. Step 2: Convert to fraction form
    11,853.36/16,357.32 = 6,885.36/x
  3. Step 3: Cross multiply
    11,853.36x = 16,357.32 × 6,885.36
  4. Step 4: Simplify right side
    11,853.36x = 112,626,036.84
  5. Step 5: Solve for x
    x = 112,626,036.84/11,853.36
  6. Step 6: Final answer
    x = 9,501.61

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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.