Home / 8,518.61-11,755.23-4,932.95

Finding the Fourth Proportional to 8,518.61, 11,755.23 and 4,932.95

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Solution

The fourth proportional to 8,518.61, 11,755.23 and 4,932.95 is: 6,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.61 : 11,755.23 = 4,932.95 : x
  2. Step 2: Convert to fraction form
    8,518.61/11,755.23 = 4,932.95/x
  3. Step 3: Cross multiply
    8,518.61x = 11,755.23 × 4,932.95
  4. Step 4: Simplify right side
    8,518.61x = 57,987,884.55
  5. Step 5: Solve for x
    x = 57,987,884.55/8,518.61
  6. Step 6: Final answer
    x = 6,807.20

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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.