Home / 8,292.21-11,443.51-4,515.53

Finding the Fourth Proportional to 8,292.21, 11,443.51 and 4,515.53

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Solution

The fourth proportional to 8,292.21, 11,443.51 and 4,515.53 is: 6,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.21 : 11,443.51 = 4,515.53 : x
  2. Step 2: Convert to fraction form
    8,292.21/11,443.51 = 4,515.53/x
  3. Step 3: Cross multiply
    8,292.21x = 11,443.51 × 4,515.53
  4. Step 4: Simplify right side
    8,292.21x = 51,673,461.14
  5. Step 5: Solve for x
    x = 51,673,461.14/8,292.21
  6. Step 6: Final answer
    x = 6,231.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.