Home / 7,835.76-11,753.72-1,992.37

Finding the Fourth Proportional to 7,835.76, 11,753.72 and 1,992.37

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Solution

The fourth proportional to 7,835.76, 11,753.72 and 1,992.37 is: 2,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.76 : 11,753.72 = 1,992.37 : x
  2. Step 2: Convert to fraction form
    7,835.76/11,753.72 = 1,992.37/x
  3. Step 3: Cross multiply
    7,835.76x = 11,753.72 × 1,992.37
  4. Step 4: Simplify right side
    7,835.76x = 23,417,719.77
  5. Step 5: Solve for x
    x = 23,417,719.77/7,835.76
  6. Step 6: Final answer
    x = 2,988.57

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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.