Home / 11,106.60-16,654.23-3,314.40

Finding the Fourth Proportional to 11,106.60, 16,654.23 and 3,314.40

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Solution

The fourth proportional to 11,106.60, 16,654.23 and 3,314.40 is: 4,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.60 : 16,654.23 = 3,314.40 : x
  2. Step 2: Convert to fraction form
    11,106.60/16,654.23 = 3,314.40/x
  3. Step 3: Cross multiply
    11,106.60x = 16,654.23 × 3,314.40
  4. Step 4: Simplify right side
    11,106.60x = 55,198,779.91
  5. Step 5: Solve for x
    x = 55,198,779.91/11,106.60
  6. Step 6: Final answer
    x = 4,969.91

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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.