Home / 10,149.44-14,006.40-5,673.28

Finding the Fourth Proportional to 10,149.44, 14,006.40 and 5,673.28

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Solution

The fourth proportional to 10,149.44, 14,006.40 and 5,673.28 is: 7,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.44 : 14,006.40 = 5,673.28 : x
  2. Step 2: Convert to fraction form
    10,149.44/14,006.40 = 5,673.28/x
  3. Step 3: Cross multiply
    10,149.44x = 14,006.40 × 5,673.28
  4. Step 4: Simplify right side
    10,149.44x = 79,462,228.99
  5. Step 5: Solve for x
    x = 79,462,228.99/10,149.44
  6. Step 6: Final answer
    x = 7,829.22

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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.