Home / 10,910.63-16,368.65-3,515.92

Finding the Fourth Proportional to 10,910.63, 16,368.65 and 3,515.92

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Solution

The fourth proportional to 10,910.63, 16,368.65 and 3,515.92 is: 5,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.63 : 16,368.65 = 3,515.92 : x
  2. Step 2: Convert to fraction form
    10,910.63/16,368.65 = 3,515.92/x
  3. Step 3: Cross multiply
    10,910.63x = 16,368.65 × 3,515.92
  4. Step 4: Simplify right side
    10,910.63x = 57,550,863.91
  5. Step 5: Solve for x
    x = 57,550,863.91/10,910.63
  6. Step 6: Final answer
    x = 5,274.75

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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.