Home / 7,837.86-11,750.18-3,675.68

Finding the Fourth Proportional to 7,837.86, 11,750.18 and 3,675.68

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Solution

The fourth proportional to 7,837.86, 11,750.18 and 3,675.68 is: 5,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.86 : 11,750.18 = 3,675.68 : x
  2. Step 2: Convert to fraction form
    7,837.86/11,750.18 = 3,675.68/x
  3. Step 3: Cross multiply
    7,837.86x = 11,750.18 × 3,675.68
  4. Step 4: Simplify right side
    7,837.86x = 43,189,901.62
  5. Step 5: Solve for x
    x = 43,189,901.62/7,837.86
  6. Step 6: Final answer
    x = 5,510.42

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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.