Home / 10,362.21-14,299.65-5,646.39

Finding the Fourth Proportional to 10,362.21, 14,299.65 and 5,646.39

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Solution

The fourth proportional to 10,362.21, 14,299.65 and 5,646.39 is: 7,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.21 : 14,299.65 = 5,646.39 : x
  2. Step 2: Convert to fraction form
    10,362.21/14,299.65 = 5,646.39/x
  3. Step 3: Cross multiply
    10,362.21x = 14,299.65 × 5,646.39
  4. Step 4: Simplify right side
    10,362.21x = 80,741,400.76
  5. Step 5: Solve for x
    x = 80,741,400.76/10,362.21
  6. Step 6: Final answer
    x = 7,791.91

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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.