Home / 10,934.84-16,402.26-3,143.63

Finding the Fourth Proportional to 10,934.84, 16,402.26 and 3,143.63

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Solution

The fourth proportional to 10,934.84, 16,402.26 and 3,143.63 is: 4,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.84 : 16,402.26 = 3,143.63 : x
  2. Step 2: Convert to fraction form
    10,934.84/16,402.26 = 3,143.63/x
  3. Step 3: Cross multiply
    10,934.84x = 16,402.26 × 3,143.63
  4. Step 4: Simplify right side
    10,934.84x = 51,562,636.60
  5. Step 5: Solve for x
    x = 51,562,636.60/10,934.84
  6. Step 6: Final answer
    x = 4,715.45

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Double scale
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Similar ratio
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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.