Home / 10,955.58-15,125.94-8,433.24

Finding the Fourth Proportional to 10,955.58, 15,125.94 and 8,433.24

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Solution

The fourth proportional to 10,955.58, 15,125.94 and 8,433.24 is: 11,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.58 : 15,125.94 = 8,433.24 : x
  2. Step 2: Convert to fraction form
    10,955.58/15,125.94 = 8,433.24/x
  3. Step 3: Cross multiply
    10,955.58x = 15,125.94 × 8,433.24
  4. Step 4: Simplify right side
    10,955.58x = 127,560,682.25
  5. Step 5: Solve for x
    x = 127,560,682.25/10,955.58
  6. Step 6: Final answer
    x = 11,643.44

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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.