Home / 6,597.12-9,896.64-2,215.68

Finding the Fourth Proportional to 6,597.12, 9,896.64 and 2,215.68

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Solution

The fourth proportional to 6,597.12, 9,896.64 and 2,215.68 is: 3,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,597.12 : 9,896.64 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    6,597.12/9,896.64 = 2,215.68/x
  3. Step 3: Cross multiply
    6,597.12x = 9,896.64 × 2,215.68
  4. Step 4: Simplify right side
    6,597.12x = 21,927,787.32
  5. Step 5: Solve for x
    x = 21,927,787.32/6,597.12
  6. Step 6: Final answer
    x = 3,323.84

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Double scale
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Similar ratio
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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.