Home / 10,870.94-16,306.58-3,079.76

Finding the Fourth Proportional to 10,870.94, 16,306.58 and 3,079.76

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Solution

The fourth proportional to 10,870.94, 16,306.58 and 3,079.76 is: 4,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.94 : 16,306.58 = 3,079.76 : x
  2. Step 2: Convert to fraction form
    10,870.94/16,306.58 = 3,079.76/x
  3. Step 3: Cross multiply
    10,870.94x = 16,306.58 × 3,079.76
  4. Step 4: Simplify right side
    10,870.94x = 50,220,278.99
  5. Step 5: Solve for x
    x = 50,220,278.99/10,870.94
  6. Step 6: Final answer
    x = 4,619.68

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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.