Home / 11,186.53-15,437.08-6,150.75

Finding the Fourth Proportional to 11,186.53, 15,437.08 and 6,150.75

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Solution

The fourth proportional to 11,186.53, 15,437.08 and 6,150.75 is: 8,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.53 : 15,437.08 = 6,150.75 : x
  2. Step 2: Convert to fraction form
    11,186.53/15,437.08 = 6,150.75/x
  3. Step 3: Cross multiply
    11,186.53x = 15,437.08 × 6,150.75
  4. Step 4: Simplify right side
    11,186.53x = 94,949,619.81
  5. Step 5: Solve for x
    x = 94,949,619.81/11,186.53
  6. Step 6: Final answer
    x = 8,487.85

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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.