Home / 11,458.76-17,187.32-3,561.06

Finding the Fourth Proportional to 11,458.76, 17,187.32 and 3,561.06

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Solution

The fourth proportional to 11,458.76, 17,187.32 and 3,561.06 is: 5,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.76 : 17,187.32 = 3,561.06 : x
  2. Step 2: Convert to fraction form
    11,458.76/17,187.32 = 3,561.06/x
  3. Step 3: Cross multiply
    11,458.76x = 17,187.32 × 3,561.06
  4. Step 4: Simplify right side
    11,458.76x = 61,205,077.76
  5. Step 5: Solve for x
    x = 61,205,077.76/11,458.76
  6. Step 6: Final answer
    x = 5,341.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.