Home / 12,124.44-16,732.50-7,586.40

Finding the Fourth Proportional to 12,124.44, 16,732.50 and 7,586.40

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Solution

The fourth proportional to 12,124.44, 16,732.50 and 7,586.40 is: 10,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.44 : 16,732.50 = 7,586.40 : x
  2. Step 2: Convert to fraction form
    12,124.44/16,732.50 = 7,586.40/x
  3. Step 3: Cross multiply
    12,124.44x = 16,732.50 × 7,586.40
  4. Step 4: Simplify right side
    12,124.44x = 126,939,438
  5. Step 5: Solve for x
    x = 126,939,438/12,124.44
  6. Step 6: Final answer
    x = 10,469.72

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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.