Home / 9,159.64-12,636.70-5,976.66

Finding the Fourth Proportional to 9,159.64, 12,636.70 and 5,976.66

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Solution

The fourth proportional to 9,159.64, 12,636.70 and 5,976.66 is: 8,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.64 : 12,636.70 = 5,976.66 : x
  2. Step 2: Convert to fraction form
    9,159.64/12,636.70 = 5,976.66/x
  3. Step 3: Cross multiply
    9,159.64x = 12,636.70 × 5,976.66
  4. Step 4: Simplify right side
    9,159.64x = 75,525,259.42
  5. Step 5: Solve for x
    x = 75,525,259.42/9,159.64
  6. Step 6: Final answer
    x = 8,245.44

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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.