Home / 11,313.92-15,611.64-6,598.64

Finding the Fourth Proportional to 11,313.92, 15,611.64 and 6,598.64

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Solution

The fourth proportional to 11,313.92, 15,611.64 and 6,598.64 is: 9,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.92 : 15,611.64 = 6,598.64 : x
  2. Step 2: Convert to fraction form
    11,313.92/15,611.64 = 6,598.64/x
  3. Step 3: Cross multiply
    11,313.92x = 15,611.64 × 6,598.64
  4. Step 4: Simplify right side
    11,313.92x = 103,015,592.17
  5. Step 5: Solve for x
    x = 103,015,592.17/11,313.92
  6. Step 6: Final answer
    x = 9,105.21

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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.