Home / 11,926.07-16,458.75-6,890.51

Finding the Fourth Proportional to 11,926.07, 16,458.75 and 6,890.51

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Solution

The fourth proportional to 11,926.07, 16,458.75 and 6,890.51 is: 9,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.07 : 16,458.75 = 6,890.51 : x
  2. Step 2: Convert to fraction form
    11,926.07/16,458.75 = 6,890.51/x
  3. Step 3: Cross multiply
    11,926.07x = 16,458.75 × 6,890.51
  4. Step 4: Simplify right side
    11,926.07x = 113,409,064.72
  5. Step 5: Solve for x
    x = 113,409,064.72/11,926.07
  6. Step 6: Final answer
    x = 9,509.34

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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.