Home / 7,756.47-11,631.96-2,825.01

Finding the Fourth Proportional to 7,756.47, 11,631.96 and 2,825.01

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Solution

The fourth proportional to 7,756.47, 11,631.96 and 2,825.01 is: 4,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.47 : 11,631.96 = 2,825.01 : x
  2. Step 2: Convert to fraction form
    7,756.47/11,631.96 = 2,825.01/x
  3. Step 3: Cross multiply
    7,756.47x = 11,631.96 × 2,825.01
  4. Step 4: Simplify right side
    7,756.47x = 32,860,403.32
  5. Step 5: Solve for x
    x = 32,860,403.32/7,756.47
  6. Step 6: Final answer
    x = 4,236.52

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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.