Home / 10,824.98-14,938.16-6,109.70

Finding the Fourth Proportional to 10,824.98, 14,938.16 and 6,109.70

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Solution

The fourth proportional to 10,824.98, 14,938.16 and 6,109.70 is: 8,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.98 : 14,938.16 = 6,109.70 : x
  2. Step 2: Convert to fraction form
    10,824.98/14,938.16 = 6,109.70/x
  3. Step 3: Cross multiply
    10,824.98x = 14,938.16 × 6,109.70
  4. Step 4: Simplify right side
    10,824.98x = 91,267,676.15
  5. Step 5: Solve for x
    x = 91,267,676.15/10,824.98
  6. Step 6: Final answer
    x = 8,431.21

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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.