Home / 11,240.71-16,858.33-4,660.58

Finding the Fourth Proportional to 11,240.71, 16,858.33 and 4,660.58

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Solution

The fourth proportional to 11,240.71, 16,858.33 and 4,660.58 is: 6,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.71 : 16,858.33 = 4,660.58 : x
  2. Step 2: Convert to fraction form
    11,240.71/16,858.33 = 4,660.58/x
  3. Step 3: Cross multiply
    11,240.71x = 16,858.33 × 4,660.58
  4. Step 4: Simplify right side
    11,240.71x = 78,569,595.63
  5. Step 5: Solve for x
    x = 78,569,595.63/11,240.71
  6. Step 6: Final answer
    x = 6,989.74

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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.