Home / 11,888.55-16,405.92-6,583.59

Finding the Fourth Proportional to 11,888.55, 16,405.92 and 6,583.59

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Solution

The fourth proportional to 11,888.55, 16,405.92 and 6,583.59 is: 9,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.55 : 16,405.92 = 6,583.59 : x
  2. Step 2: Convert to fraction form
    11,888.55/16,405.92 = 6,583.59/x
  3. Step 3: Cross multiply
    11,888.55x = 16,405.92 × 6,583.59
  4. Step 4: Simplify right side
    11,888.55x = 108,009,850.85
  5. Step 5: Solve for x
    x = 108,009,850.85/11,888.55
  6. Step 6: Final answer
    x = 9,085.20

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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.