Home / 12,416.28-18,636.13-4,526.42

Finding the Fourth Proportional to 12,416.28, 18,636.13 and 4,526.42

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Solution

The fourth proportional to 12,416.28, 18,636.13 and 4,526.42 is: 6,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.28 : 18,636.13 = 4,526.42 : x
  2. Step 2: Convert to fraction form
    12,416.28/18,636.13 = 4,526.42/x
  3. Step 3: Cross multiply
    12,416.28x = 18,636.13 × 4,526.42
  4. Step 4: Simplify right side
    12,416.28x = 84,354,928.92
  5. Step 5: Solve for x
    x = 84,354,928.92/12,416.28
  6. Step 6: Final answer
    x = 6,793.90

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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.