Home / 10,854.81-16,283.39-3,456.68

Finding the Fourth Proportional to 10,854.81, 16,283.39 and 3,456.68

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Solution

The fourth proportional to 10,854.81, 16,283.39 and 3,456.68 is: 5,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.81 : 16,283.39 = 3,456.68 : x
  2. Step 2: Convert to fraction form
    10,854.81/16,283.39 = 3,456.68/x
  3. Step 3: Cross multiply
    10,854.81x = 16,283.39 × 3,456.68
  4. Step 4: Simplify right side
    10,854.81x = 56,286,369.84
  5. Step 5: Solve for x
    x = 56,286,369.84/10,854.81
  6. Step 6: Final answer
    x = 5,185.39

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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.