Home / 11,259.21-16,899.39-5,716.53

Finding the Fourth Proportional to 11,259.21, 16,899.39 and 5,716.53

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Solution

The fourth proportional to 11,259.21, 16,899.39 and 5,716.53 is: 8,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.21 : 16,899.39 = 5,716.53 : x
  2. Step 2: Convert to fraction form
    11,259.21/16,899.39 = 5,716.53/x
  3. Step 3: Cross multiply
    11,259.21x = 16,899.39 × 5,716.53
  4. Step 4: Simplify right side
    11,259.21x = 96,605,869.92
  5. Step 5: Solve for x
    x = 96,605,869.92/11,259.21
  6. Step 6: Final answer
    x = 8,580.16

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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.