Home / 7,848.13-11,772.20-4,928.49

Finding the Fourth Proportional to 7,848.13, 11,772.20 and 4,928.49

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Solution

The fourth proportional to 7,848.13, 11,772.20 and 4,928.49 is: 7,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.13 : 11,772.20 = 4,928.49 : x
  2. Step 2: Convert to fraction form
    7,848.13/11,772.20 = 4,928.49/x
  3. Step 3: Cross multiply
    7,848.13x = 11,772.20 × 4,928.49
  4. Step 4: Simplify right side
    7,848.13x = 58,019,169.98
  5. Step 5: Solve for x
    x = 58,019,169.98/7,848.13
  6. Step 6: Final answer
    x = 7,392.74

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1.5x scale

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.