Home / 8,643.45-11,927.52-4,867.23

Finding the Fourth Proportional to 8,643.45, 11,927.52 and 4,867.23

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Solution

The fourth proportional to 8,643.45, 11,927.52 and 4,867.23 is: 6,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.45 : 11,927.52 = 4,867.23 : x
  2. Step 2: Convert to fraction form
    8,643.45/11,927.52 = 4,867.23/x
  3. Step 3: Cross multiply
    8,643.45x = 11,927.52 × 4,867.23
  4. Step 4: Simplify right side
    8,643.45x = 58,053,983.17
  5. Step 5: Solve for x
    x = 58,053,983.17/8,643.45
  6. Step 6: Final answer
    x = 6,716.53

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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.