Home / 12,723.64-19,077.70-5,702.36

Finding the Fourth Proportional to 12,723.64, 19,077.70 and 5,702.36

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Solution

The fourth proportional to 12,723.64, 19,077.70 and 5,702.36 is: 8,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.64 : 19,077.70 = 5,702.36 : x
  2. Step 2: Convert to fraction form
    12,723.64/19,077.70 = 5,702.36/x
  3. Step 3: Cross multiply
    12,723.64x = 19,077.70 × 5,702.36
  4. Step 4: Simplify right side
    12,723.64x = 108,787,913.37
  5. Step 5: Solve for x
    x = 108,787,913.37/12,723.64
  6. Step 6: Final answer
    x = 8,550.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.