Home / 6,971.12-10,449.38-2,586.60

Finding the Fourth Proportional to 6,971.12, 10,449.38 and 2,586.60

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Solution

The fourth proportional to 6,971.12, 10,449.38 and 2,586.60 is: 3,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.12 : 10,449.38 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    6,971.12/10,449.38 = 2,586.60/x
  3. Step 3: Cross multiply
    6,971.12x = 10,449.38 × 2,586.60
  4. Step 4: Simplify right side
    6,971.12x = 27,028,366.31
  5. Step 5: Solve for x
    x = 27,028,366.31/6,971.12
  6. Step 6: Final answer
    x = 3,877.19

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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.