Home / 10,680.60-16,020.36-4,438.92

Finding the Fourth Proportional to 10,680.60, 16,020.36 and 4,438.92

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Solution

The fourth proportional to 10,680.60, 16,020.36 and 4,438.92 is: 6,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.60 : 16,020.36 = 4,438.92 : x
  2. Step 2: Convert to fraction form
    10,680.60/16,020.36 = 4,438.92/x
  3. Step 3: Cross multiply
    10,680.60x = 16,020.36 × 4,438.92
  4. Step 4: Simplify right side
    10,680.60x = 71,113,096.41
  5. Step 5: Solve for x
    x = 71,113,096.41/10,680.60
  6. Step 6: Final answer
    x = 6,658.16

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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.