Home / 7,557.56-11,334.99-2,878.06

Finding the Fourth Proportional to 7,557.56, 11,334.99 and 2,878.06

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Solution

The fourth proportional to 7,557.56, 11,334.99 and 2,878.06 is: 4,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.56 : 11,334.99 = 2,878.06 : x
  2. Step 2: Convert to fraction form
    7,557.56/11,334.99 = 2,878.06/x
  3. Step 3: Cross multiply
    7,557.56x = 11,334.99 × 2,878.06
  4. Step 4: Simplify right side
    7,557.56x = 32,622,781.32
  5. Step 5: Solve for x
    x = 32,622,781.32/7,557.56
  6. Step 6: Final answer
    x = 4,316.58

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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.