Home / 10,971.60-16,458.75-3,574.07

Finding the Fourth Proportional to 10,971.60, 16,458.75 and 3,574.07

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Solution

The fourth proportional to 10,971.60, 16,458.75 and 3,574.07 is: 5,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.60 : 16,458.75 = 3,574.07 : x
  2. Step 2: Convert to fraction form
    10,971.60/16,458.75 = 3,574.07/x
  3. Step 3: Cross multiply
    10,971.60x = 16,458.75 × 3,574.07
  4. Step 4: Simplify right side
    10,971.60x = 58,824,765.76
  5. Step 5: Solve for x
    x = 58,824,765.76/10,971.60
  6. Step 6: Final answer
    x = 5,361.55

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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.