Home / 11,515.74-17,259.18-4,934.22

Finding the Fourth Proportional to 11,515.74, 17,259.18 and 4,934.22

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Solution

The fourth proportional to 11,515.74, 17,259.18 and 4,934.22 is: 7,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.74 : 17,259.18 = 4,934.22 : x
  2. Step 2: Convert to fraction form
    11,515.74/17,259.18 = 4,934.22/x
  3. Step 3: Cross multiply
    11,515.74x = 17,259.18 × 4,934.22
  4. Step 4: Simplify right side
    11,515.74x = 85,160,591.14
  5. Step 5: Solve for x
    x = 85,160,591.14/11,515.74
  6. Step 6: Final answer
    x = 7,395.15

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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.