Home / 11,378.50-17,056.02-4,356.86

Finding the Fourth Proportional to 11,378.50, 17,056.02 and 4,356.86

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Solution

The fourth proportional to 11,378.50, 17,056.02 and 4,356.86 is: 6,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.50 : 17,056.02 = 4,356.86 : x
  2. Step 2: Convert to fraction form
    11,378.50/17,056.02 = 4,356.86/x
  3. Step 3: Cross multiply
    11,378.50x = 17,056.02 × 4,356.86
  4. Step 4: Simplify right side
    11,378.50x = 74,310,691.30
  5. Step 5: Solve for x
    x = 74,310,691.30/11,378.50
  6. Step 6: Final answer
    x = 6,530.80

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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.