Home / 10,341.37-14,279.39-7,192.09

Finding the Fourth Proportional to 10,341.37, 14,279.39 and 7,192.09

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Solution

The fourth proportional to 10,341.37, 14,279.39 and 7,192.09 is: 9,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.37 : 14,279.39 = 7,192.09 : x
  2. Step 2: Convert to fraction form
    10,341.37/14,279.39 = 7,192.09/x
  3. Step 3: Cross multiply
    10,341.37x = 14,279.39 × 7,192.09
  4. Step 4: Simplify right side
    10,341.37x = 102,698,622.06
  5. Step 5: Solve for x
    x = 102,698,622.06/10,341.37
  6. Step 6: Final answer
    x = 9,930.85

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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.