Home / 8,056.32-11,121.60-5,551.68

Finding the Fourth Proportional to 8,056.32, 11,121.60 and 5,551.68

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Solution

The fourth proportional to 8,056.32, 11,121.60 and 5,551.68 is: 7,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.32 : 11,121.60 = 5,551.68 : x
  2. Step 2: Convert to fraction form
    8,056.32/11,121.60 = 5,551.68/x
  3. Step 3: Cross multiply
    8,056.32x = 11,121.60 × 5,551.68
  4. Step 4: Simplify right side
    8,056.32x = 61,743,564.29
  5. Step 5: Solve for x
    x = 61,743,564.29/8,056.32
  6. Step 6: Final answer
    x = 7,663.99

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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.