Home / 10,876.99-16,316.67-3,479.71

Finding the Fourth Proportional to 10,876.99, 16,316.67 and 3,479.71

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Solution

The fourth proportional to 10,876.99, 16,316.67 and 3,479.71 is: 5,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.99 : 16,316.67 = 3,479.71 : x
  2. Step 2: Convert to fraction form
    10,876.99/16,316.67 = 3,479.71/x
  3. Step 3: Cross multiply
    10,876.99x = 16,316.67 × 3,479.71
  4. Step 4: Simplify right side
    10,876.99x = 56,777,279.77
  5. Step 5: Solve for x
    x = 56,777,279.77/10,876.99
  6. Step 6: Final answer
    x = 5,219.94

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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.