Home / 12,032.20-16,609.49-8,870.60

Finding the Fourth Proportional to 12,032.20, 16,609.49 and 8,870.60

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Solution

The fourth proportional to 12,032.20, 16,609.49 and 8,870.60 is: 12,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.20 : 16,609.49 = 8,870.60 : x
  2. Step 2: Convert to fraction form
    12,032.20/16,609.49 = 8,870.60/x
  3. Step 3: Cross multiply
    12,032.20x = 16,609.49 × 8,870.60
  4. Step 4: Simplify right side
    12,032.20x = 147,336,141.99
  5. Step 5: Solve for x
    x = 147,336,141.99/12,032.20
  6. Step 6: Final answer
    x = 12,245.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.