Home / 12,350.49-17,043.51-7,045.39

Finding the Fourth Proportional to 12,350.49, 17,043.51 and 7,045.39

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Solution

The fourth proportional to 12,350.49, 17,043.51 and 7,045.39 is: 9,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.49 : 17,043.51 = 7,045.39 : x
  2. Step 2: Convert to fraction form
    12,350.49/17,043.51 = 7,045.39/x
  3. Step 3: Cross multiply
    12,350.49x = 17,043.51 × 7,045.39
  4. Step 4: Simplify right side
    12,350.49x = 120,078,174.92
  5. Step 5: Solve for x
    x = 120,078,174.92/12,350.49
  6. Step 6: Final answer
    x = 9,722.54

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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.