Home / 11,295.60-16,924.36-8,660.32

Finding the Fourth Proportional to 11,295.60, 16,924.36 and 8,660.32

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Solution

The fourth proportional to 11,295.60, 16,924.36 and 8,660.32 is: 12,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.60 : 16,924.36 = 8,660.32 : x
  2. Step 2: Convert to fraction form
    11,295.60/16,924.36 = 8,660.32/x
  3. Step 3: Cross multiply
    11,295.60x = 16,924.36 × 8,660.32
  4. Step 4: Simplify right side
    11,295.60x = 146,570,373.40
  5. Step 5: Solve for x
    x = 146,570,373.40/11,295.60
  6. Step 6: Final answer
    x = 12,975.88

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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.