Home / 7,544.43-10,412.56-4,188.32

Finding the Fourth Proportional to 7,544.43, 10,412.56 and 4,188.32

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Solution

The fourth proportional to 7,544.43, 10,412.56 and 4,188.32 is: 5,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.43 : 10,412.56 = 4,188.32 : x
  2. Step 2: Convert to fraction form
    7,544.43/10,412.56 = 4,188.32/x
  3. Step 3: Cross multiply
    7,544.43x = 10,412.56 × 4,188.32
  4. Step 4: Simplify right side
    7,544.43x = 43,611,133.30
  5. Step 5: Solve for x
    x = 43,611,133.30/7,544.43
  6. Step 6: Final answer
    x = 5,780.57

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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.