Home / 10,644.05-14,688.63-6,167.70

Finding the Fourth Proportional to 10,644.05, 14,688.63 and 6,167.70

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Solution

The fourth proportional to 10,644.05, 14,688.63 and 6,167.70 is: 8,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.05 : 14,688.63 = 6,167.70 : x
  2. Step 2: Convert to fraction form
    10,644.05/14,688.63 = 6,167.70/x
  3. Step 3: Cross multiply
    10,644.05x = 14,688.63 × 6,167.70
  4. Step 4: Simplify right side
    10,644.05x = 90,595,063.25
  5. Step 5: Solve for x
    x = 90,595,063.25/10,644.05
  6. Step 6: Final answer
    x = 8,511.33

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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.