Home / 7,423.63-11,134.41-1,876.63

Finding the Fourth Proportional to 7,423.63, 11,134.41 and 1,876.63

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Solution

The fourth proportional to 7,423.63, 11,134.41 and 1,876.63 is: 2,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.63 : 11,134.41 = 1,876.63 : x
  2. Step 2: Convert to fraction form
    7,423.63/11,134.41 = 1,876.63/x
  3. Step 3: Cross multiply
    7,423.63x = 11,134.41 × 1,876.63
  4. Step 4: Simplify right side
    7,423.63x = 20,895,167.84
  5. Step 5: Solve for x
    x = 20,895,167.84/7,423.63
  6. Step 6: Final answer
    x = 2,814.68

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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.