Home / 10,361.61-14,299.16-5,645.88

Finding the Fourth Proportional to 10,361.61, 14,299.16 and 5,645.88

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Solution

The fourth proportional to 10,361.61, 14,299.16 and 5,645.88 is: 7,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.61 : 14,299.16 = 5,645.88 : x
  2. Step 2: Convert to fraction form
    10,361.61/14,299.16 = 5,645.88/x
  3. Step 3: Cross multiply
    10,361.61x = 14,299.16 × 5,645.88
  4. Step 4: Simplify right side
    10,361.61x = 80,731,313.23
  5. Step 5: Solve for x
    x = 80,731,313.23/10,361.61
  6. Step 6: Final answer
    x = 7,791.39

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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.