Home / 10,299.59-14,213.38-5,583.86

Finding the Fourth Proportional to 10,299.59, 14,213.38 and 5,583.86

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Solution

The fourth proportional to 10,299.59, 14,213.38 and 5,583.86 is: 7,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.59 : 14,213.38 = 5,583.86 : x
  2. Step 2: Convert to fraction form
    10,299.59/14,213.38 = 5,583.86/x
  3. Step 3: Cross multiply
    10,299.59x = 14,213.38 × 5,583.86
  4. Step 4: Simplify right side
    10,299.59x = 79,365,524.05
  5. Step 5: Solve for x
    x = 79,365,524.05/10,299.59
  6. Step 6: Final answer
    x = 7,705.70

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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.