Home / 10,149.74-14,006.15-5,673.45

Finding the Fourth Proportional to 10,149.74, 14,006.15 and 5,673.45

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Solution

The fourth proportional to 10,149.74, 14,006.15 and 5,673.45 is: 7,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.74 : 14,006.15 = 5,673.45 : x
  2. Step 2: Convert to fraction form
    10,149.74/14,006.15 = 5,673.45/x
  3. Step 3: Cross multiply
    10,149.74x = 14,006.15 × 5,673.45
  4. Step 4: Simplify right side
    10,149.74x = 79,463,237.15
  5. Step 5: Solve for x
    x = 79,463,237.15/10,149.74
  6. Step 6: Final answer
    x = 7,829.09

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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.