Home / 10,808.84-16,207.64-4,143.37

Finding the Fourth Proportional to 10,808.84, 16,207.64 and 4,143.37

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Solution

The fourth proportional to 10,808.84, 16,207.64 and 4,143.37 is: 6,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.84 : 16,207.64 = 4,143.37 : x
  2. Step 2: Convert to fraction form
    10,808.84/16,207.64 = 4,143.37/x
  3. Step 3: Cross multiply
    10,808.84x = 16,207.64 × 4,143.37
  4. Step 4: Simplify right side
    10,808.84x = 67,154,219.19
  5. Step 5: Solve for x
    x = 67,154,219.19/10,808.84
  6. Step 6: Final answer
    x = 6,212.90

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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.