Home / 11,739.08-17,586.30-7,574.60

Finding the Fourth Proportional to 11,739.08, 17,586.30 and 7,574.60

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Solution

The fourth proportional to 11,739.08, 17,586.30 and 7,574.60 is: 11,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.08 : 17,586.30 = 7,574.60 : x
  2. Step 2: Convert to fraction form
    11,739.08/17,586.30 = 7,574.60/x
  3. Step 3: Cross multiply
    11,739.08x = 17,586.30 × 7,574.60
  4. Step 4: Simplify right side
    11,739.08x = 133,209,187.98
  5. Step 5: Solve for x
    x = 133,209,187.98/11,739.08
  6. Step 6: Final answer
    x = 11,347.50

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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.