Home / 9,157.82-13,735.96-2,917.58

Finding the Fourth Proportional to 9,157.82, 13,735.96 and 2,917.58

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Solution

The fourth proportional to 9,157.82, 13,735.96 and 2,917.58 is: 4,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.82 : 13,735.96 = 2,917.58 : x
  2. Step 2: Convert to fraction form
    9,157.82/13,735.96 = 2,917.58/x
  3. Step 3: Cross multiply
    9,157.82x = 13,735.96 × 2,917.58
  4. Step 4: Simplify right side
    9,157.82x = 40,075,686.20
  5. Step 5: Solve for x
    x = 40,075,686.20/9,157.82
  6. Step 6: Final answer
    x = 4,376.12

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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.