Home / 8,159.98-11,259.77-4,574.11

Finding the Fourth Proportional to 8,159.98, 11,259.77 and 4,574.11

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Solution

The fourth proportional to 8,159.98, 11,259.77 and 4,574.11 is: 6,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.98 : 11,259.77 = 4,574.11 : x
  2. Step 2: Convert to fraction form
    8,159.98/11,259.77 = 4,574.11/x
  3. Step 3: Cross multiply
    8,159.98x = 11,259.77 × 4,574.11
  4. Step 4: Simplify right side
    8,159.98x = 51,503,426.55
  5. Step 5: Solve for x
    x = 51,503,426.55/8,159.98
  6. Step 6: Final answer
    x = 6,311.71

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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.