Home / 8,291.64-11,442.67-4,515.02

Finding the Fourth Proportional to 8,291.64, 11,442.67 and 4,515.02

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Solution

The fourth proportional to 8,291.64, 11,442.67 and 4,515.02 is: 6,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.64 : 11,442.67 = 4,515.02 : x
  2. Step 2: Convert to fraction form
    8,291.64/11,442.67 = 4,515.02/x
  3. Step 3: Cross multiply
    8,291.64x = 11,442.67 × 4,515.02
  4. Step 4: Simplify right side
    8,291.64x = 51,663,851.53
  5. Step 5: Solve for x
    x = 51,663,851.53/8,291.64
  6. Step 6: Final answer
    x = 6,230.83

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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.