Home / 7,255.14-10,015.16-4,900.47

Finding the Fourth Proportional to 7,255.14, 10,015.16 and 4,900.47

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Solution

The fourth proportional to 7,255.14, 10,015.16 and 4,900.47 is: 6,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.14 : 10,015.16 = 4,900.47 : x
  2. Step 2: Convert to fraction form
    7,255.14/10,015.16 = 4,900.47/x
  3. Step 3: Cross multiply
    7,255.14x = 10,015.16 × 4,900.47
  4. Step 4: Simplify right side
    7,255.14x = 49,078,966.62
  5. Step 5: Solve for x
    x = 49,078,966.62/7,255.14
  6. Step 6: Final answer
    x = 6,764.72

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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.