Home / 7,444.06-10,272.60-4,086.86

Finding the Fourth Proportional to 7,444.06, 10,272.60 and 4,086.86

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Solution

The fourth proportional to 7,444.06, 10,272.60 and 4,086.86 is: 5,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.06 : 10,272.60 = 4,086.86 : x
  2. Step 2: Convert to fraction form
    7,444.06/10,272.60 = 4,086.86/x
  3. Step 3: Cross multiply
    7,444.06x = 10,272.60 × 4,086.86
  4. Step 4: Simplify right side
    7,444.06x = 41,982,678.04
  5. Step 5: Solve for x
    x = 41,982,678.04/7,444.06
  6. Step 6: Final answer
    x = 5,639.76

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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.