Home / 11,185.83-15,437.25-6,709.77

Finding the Fourth Proportional to 11,185.83, 15,437.25 and 6,709.77

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Solution

The fourth proportional to 11,185.83, 15,437.25 and 6,709.77 is: 9,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.83 : 15,437.25 = 6,709.77 : x
  2. Step 2: Convert to fraction form
    11,185.83/15,437.25 = 6,709.77/x
  3. Step 3: Cross multiply
    11,185.83x = 15,437.25 × 6,709.77
  4. Step 4: Simplify right side
    11,185.83x = 103,580,396.93
  5. Step 5: Solve for x
    x = 103,580,396.93/11,185.83
  6. Step 6: Final answer
    x = 9,259.97

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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.