Home / 7,409.04-11,116.56-3,246.86

Finding the Fourth Proportional to 7,409.04, 11,116.56 and 3,246.86

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Solution

The fourth proportional to 7,409.04, 11,116.56 and 3,246.86 is: 4,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.04 : 11,116.56 = 3,246.86 : x
  2. Step 2: Convert to fraction form
    7,409.04/11,116.56 = 3,246.86/x
  3. Step 3: Cross multiply
    7,409.04x = 11,116.56 × 3,246.86
  4. Step 4: Simplify right side
    7,409.04x = 36,093,858.42
  5. Step 5: Solve for x
    x = 36,093,858.42/7,409.04
  6. Step 6: Final answer
    x = 4,871.60

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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.