Home / 10,245.70-14,140.12-6,269.45

Finding the Fourth Proportional to 10,245.70, 14,140.12 and 6,269.45

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Solution

The fourth proportional to 10,245.70, 14,140.12 and 6,269.45 is: 8,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.70 : 14,140.12 = 6,269.45 : x
  2. Step 2: Convert to fraction form
    10,245.70/14,140.12 = 6,269.45/x
  3. Step 3: Cross multiply
    10,245.70x = 14,140.12 × 6,269.45
  4. Step 4: Simplify right side
    10,245.70x = 88,650,775.33
  5. Step 5: Solve for x
    x = 88,650,775.33/10,245.70
  6. Step 6: Final answer
    x = 8,652.49

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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.