Home / 10,934.76-15,102.56-7,963.88

Finding the Fourth Proportional to 10,934.76, 15,102.56 and 7,963.88

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Solution

The fourth proportional to 10,934.76, 15,102.56 and 7,963.88 is: 10,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.76 : 15,102.56 = 7,963.88 : x
  2. Step 2: Convert to fraction form
    10,934.76/15,102.56 = 7,963.88/x
  3. Step 3: Cross multiply
    10,934.76x = 15,102.56 × 7,963.88
  4. Step 4: Simplify right side
    10,934.76x = 120,274,975.53
  5. Step 5: Solve for x
    x = 120,274,975.53/10,934.76
  6. Step 6: Final answer
    x = 10,999.32

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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.