Home / 10,951.75-16,423.41-8,616.34

Finding the Fourth Proportional to 10,951.75, 16,423.41 and 8,616.34

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Solution

The fourth proportional to 10,951.75, 16,423.41 and 8,616.34 is: 12,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.75 : 16,423.41 = 8,616.34 : x
  2. Step 2: Convert to fraction form
    10,951.75/16,423.41 = 8,616.34/x
  3. Step 3: Cross multiply
    10,951.75x = 16,423.41 × 8,616.34
  4. Step 4: Simplify right side
    10,951.75x = 141,509,602.40
  5. Step 5: Solve for x
    x = 141,509,602.40/10,951.75
  6. Step 6: Final answer
    x = 12,921.19

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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.