Home / 10,561.33-15,847.40-4,716.64

Finding the Fourth Proportional to 10,561.33, 15,847.40 and 4,716.64

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Solution

The fourth proportional to 10,561.33, 15,847.40 and 4,716.64 is: 7,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.33 : 15,847.40 = 4,716.64 : x
  2. Step 2: Convert to fraction form
    10,561.33/15,847.40 = 4,716.64/x
  3. Step 3: Cross multiply
    10,561.33x = 15,847.40 × 4,716.64
  4. Step 4: Simplify right side
    10,561.33x = 74,746,480.74
  5. Step 5: Solve for x
    x = 74,746,480.74/10,561.33
  6. Step 6: Final answer
    x = 7,077.37

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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.