Home / 11,179.60-16,769.40-9,948.40

Finding the Fourth Proportional to 11,179.60, 16,769.40 and 9,948.40

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Solution

The fourth proportional to 11,179.60, 16,769.40 and 9,948.40 is: 14,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.60 : 16,769.40 = 9,948.40 : x
  2. Step 2: Convert to fraction form
    11,179.60/16,769.40 = 9,948.40/x
  3. Step 3: Cross multiply
    11,179.60x = 16,769.40 × 9,948.40
  4. Step 4: Simplify right side
    11,179.60x = 166,828,698.96
  5. Step 5: Solve for x
    x = 166,828,698.96/11,179.60
  6. Step 6: Final answer
    x = 14,922.60

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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.