Home / 7,544.12-11,317.84-3,159.32

Finding the Fourth Proportional to 7,544.12, 11,317.84 and 3,159.32

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Solution

The fourth proportional to 7,544.12, 11,317.84 and 3,159.32 is: 4,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.12 : 11,317.84 = 3,159.32 : x
  2. Step 2: Convert to fraction form
    7,544.12/11,317.84 = 3,159.32/x
  3. Step 3: Cross multiply
    7,544.12x = 11,317.84 × 3,159.32
  4. Step 4: Simplify right side
    7,544.12x = 35,756,678.27
  5. Step 5: Solve for x
    x = 35,756,678.27/7,544.12
  6. Step 6: Final answer
    x = 4,739.68

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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.