Home / 11,885.70-16,433.58-10,409.48

Finding the Fourth Proportional to 11,885.70, 16,433.58 and 10,409.48

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Solution

The fourth proportional to 11,885.70, 16,433.58 and 10,409.48 is: 14,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.70 : 16,433.58 = 10,409.48 : x
  2. Step 2: Convert to fraction form
    11,885.70/16,433.58 = 10,409.48/x
  3. Step 3: Cross multiply
    11,885.70x = 16,433.58 × 10,409.48
  4. Step 4: Simplify right side
    11,885.70x = 171,064,940.17
  5. Step 5: Solve for x
    x = 171,064,940.17/11,885.70
  6. Step 6: Final answer
    x = 14,392.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.