Home / 7,416.40-11,120.88-2,484.32

Finding the Fourth Proportional to 7,416.40, 11,120.88 and 2,484.32

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Solution

The fourth proportional to 7,416.40, 11,120.88 and 2,484.32 is: 3,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.40 : 11,120.88 = 2,484.32 : x
  2. Step 2: Convert to fraction form
    7,416.40/11,120.88 = 2,484.32/x
  3. Step 3: Cross multiply
    7,416.40x = 11,120.88 × 2,484.32
  4. Step 4: Simplify right side
    7,416.40x = 27,627,824.60
  5. Step 5: Solve for x
    x = 27,627,824.60/7,416.40
  6. Step 6: Final answer
    x = 3,725.23

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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.