Home / 10,941.36-15,103.31-6,965.88

Finding the Fourth Proportional to 10,941.36, 15,103.31 and 6,965.88

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Solution

The fourth proportional to 10,941.36, 15,103.31 and 6,965.88 is: 9,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.36 : 15,103.31 = 6,965.88 : x
  2. Step 2: Convert to fraction form
    10,941.36/15,103.31 = 6,965.88/x
  3. Step 3: Cross multiply
    10,941.36x = 15,103.31 × 6,965.88
  4. Step 4: Simplify right side
    10,941.36x = 105,207,810.23
  5. Step 5: Solve for x
    x = 105,207,810.23/10,941.36
  6. Step 6: Final answer
    x = 9,615.61

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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.