Home / 11,619.96-17,430.84-6,971.64

Finding the Fourth Proportional to 11,619.96, 17,430.84 and 6,971.64

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Solution

The fourth proportional to 11,619.96, 17,430.84 and 6,971.64 is: 10,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.96 : 17,430.84 = 6,971.64 : x
  2. Step 2: Convert to fraction form
    11,619.96/17,430.84 = 6,971.64/x
  3. Step 3: Cross multiply
    11,619.96x = 17,430.84 × 6,971.64
  4. Step 4: Simplify right side
    11,619.96x = 121,521,541.38
  5. Step 5: Solve for x
    x = 121,521,541.38/11,619.96
  6. Step 6: Final answer
    x = 10,458.00

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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.