Home / 11,802.38-17,706.60-4,406.88

Finding the Fourth Proportional to 11,802.38, 17,706.60 and 4,406.88

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Solution

The fourth proportional to 11,802.38, 17,706.60 and 4,406.88 is: 6,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.38 : 17,706.60 = 4,406.88 : x
  2. Step 2: Convert to fraction form
    11,802.38/17,706.60 = 4,406.88/x
  3. Step 3: Cross multiply
    11,802.38x = 17,706.60 × 4,406.88
  4. Step 4: Simplify right side
    11,802.38x = 78,030,927.81
  5. Step 5: Solve for x
    x = 78,030,927.81/11,802.38
  6. Step 6: Final answer
    x = 6,611.46

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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.