Home / 10,989.60-16,484.96-3,596.32

Finding the Fourth Proportional to 10,989.60, 16,484.96 and 3,596.32

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Solution

The fourth proportional to 10,989.60, 16,484.96 and 3,596.32 is: 5,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.60 : 16,484.96 = 3,596.32 : x
  2. Step 2: Convert to fraction form
    10,989.60/16,484.96 = 3,596.32/x
  3. Step 3: Cross multiply
    10,989.60x = 16,484.96 × 3,596.32
  4. Step 4: Simplify right side
    10,989.60x = 59,285,191.35
  5. Step 5: Solve for x
    x = 59,285,191.35/10,989.60
  6. Step 6: Final answer
    x = 5,394.66

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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.