Home / 11,980.62-16,516.44-7,501.32

Finding the Fourth Proportional to 11,980.62, 16,516.44 and 7,501.32

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Solution

The fourth proportional to 11,980.62, 16,516.44 and 7,501.32 is: 10,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.62 : 16,516.44 = 7,501.32 : x
  2. Step 2: Convert to fraction form
    11,980.62/16,516.44 = 7,501.32/x
  3. Step 3: Cross multiply
    11,980.62x = 16,516.44 × 7,501.32
  4. Step 4: Simplify right side
    11,980.62x = 123,895,101.70
  5. Step 5: Solve for x
    x = 123,895,101.70/11,980.62
  6. Step 6: Final answer
    x = 10,341.29

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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.