Home / 11,795.74-17,690.84-5,218.32

Finding the Fourth Proportional to 11,795.74, 17,690.84 and 5,218.32

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Solution

The fourth proportional to 11,795.74, 17,690.84 and 5,218.32 is: 7,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.74 : 17,690.84 = 5,218.32 : x
  2. Step 2: Convert to fraction form
    11,795.74/17,690.84 = 5,218.32/x
  3. Step 3: Cross multiply
    11,795.74x = 17,690.84 × 5,218.32
  4. Step 4: Simplify right side
    11,795.74x = 92,316,464.19
  5. Step 5: Solve for x
    x = 92,316,464.19/11,795.74
  6. Step 6: Final answer
    x = 7,826.25

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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.