Home / 11,746.20-17,619.30-7,368.60

Finding the Fourth Proportional to 11,746.20, 17,619.30 and 7,368.60

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Solution

The fourth proportional to 11,746.20, 17,619.30 and 7,368.60 is: 11,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.20 : 17,619.30 = 7,368.60 : x
  2. Step 2: Convert to fraction form
    11,746.20/17,619.30 = 7,368.60/x
  3. Step 3: Cross multiply
    11,746.20x = 17,619.30 × 7,368.60
  4. Step 4: Simplify right side
    11,746.20x = 129,829,573.98
  5. Step 5: Solve for x
    x = 129,829,573.98/11,746.20
  6. Step 6: Final answer
    x = 11,052.90

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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.