Home / 8,947.84-13,425.54-4,786.75

Finding the Fourth Proportional to 8,947.84, 13,425.54 and 4,786.75

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Solution

The fourth proportional to 8,947.84, 13,425.54 and 4,786.75 is: 7,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.84 : 13,425.54 = 4,786.75 : x
  2. Step 2: Convert to fraction form
    8,947.84/13,425.54 = 4,786.75/x
  3. Step 3: Cross multiply
    8,947.84x = 13,425.54 × 4,786.75
  4. Step 4: Simplify right side
    8,947.84x = 64,264,703.60
  5. Step 5: Solve for x
    x = 64,264,703.60/8,947.84
  6. Step 6: Final answer
    x = 7,182.15

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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.