Home / 11,210.77-16,817.12-2,890.71

Finding the Fourth Proportional to 11,210.77, 16,817.12 and 2,890.71

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Solution

The fourth proportional to 11,210.77, 16,817.12 and 2,890.71 is: 4,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.77 : 16,817.12 = 2,890.71 : x
  2. Step 2: Convert to fraction form
    11,210.77/16,817.12 = 2,890.71/x
  3. Step 3: Cross multiply
    11,210.77x = 16,817.12 × 2,890.71
  4. Step 4: Simplify right side
    11,210.77x = 48,613,402.50
  5. Step 5: Solve for x
    x = 48,613,402.50/11,210.77
  6. Step 6: Final answer
    x = 4,336.31

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Double scale
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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.