Home / 10,482.82-14,458.97-7,119.81

Finding the Fourth Proportional to 10,482.82, 14,458.97 and 7,119.81

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Solution

The fourth proportional to 10,482.82, 14,458.97 and 7,119.81 is: 9,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.82 : 14,458.97 = 7,119.81 : x
  2. Step 2: Convert to fraction form
    10,482.82/14,458.97 = 7,119.81/x
  3. Step 3: Cross multiply
    10,482.82x = 14,458.97 × 7,119.81
  4. Step 4: Simplify right side
    10,482.82x = 102,945,137.00
  5. Step 5: Solve for x
    x = 102,945,137.00/10,482.82
  6. Step 6: Final answer
    x = 9,820.37

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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.