Home / 10,806.84-16,210.26-3,015.72

Finding the Fourth Proportional to 10,806.84, 16,210.26 and 3,015.72

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Solution

The fourth proportional to 10,806.84, 16,210.26 and 3,015.72 is: 4,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.84 : 16,210.26 = 3,015.72 : x
  2. Step 2: Convert to fraction form
    10,806.84/16,210.26 = 3,015.72/x
  3. Step 3: Cross multiply
    10,806.84x = 16,210.26 × 3,015.72
  4. Step 4: Simplify right side
    10,806.84x = 48,885,605.29
  5. Step 5: Solve for x
    x = 48,885,605.29/10,806.84
  6. Step 6: Final answer
    x = 4,523.58

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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.