Home / 7,425.24-10,250.64-5,047.80

Finding the Fourth Proportional to 7,425.24, 10,250.64 and 5,047.80

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Solution

The fourth proportional to 7,425.24, 10,250.64 and 5,047.80 is: 6,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.24 : 10,250.64 = 5,047.80 : x
  2. Step 2: Convert to fraction form
    7,425.24/10,250.64 = 5,047.80/x
  3. Step 3: Cross multiply
    7,425.24x = 10,250.64 × 5,047.80
  4. Step 4: Simplify right side
    7,425.24x = 51,743,180.59
  5. Step 5: Solve for x
    x = 51,743,180.59/7,425.24
  6. Step 6: Final answer
    x = 6,968.55

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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.