Home / 10,525.92-15,783.92-3,947.36

Finding the Fourth Proportional to 10,525.92, 15,783.92 and 3,947.36

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Solution

The fourth proportional to 10,525.92, 15,783.92 and 3,947.36 is: 5,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.92 : 15,783.92 = 3,947.36 : x
  2. Step 2: Convert to fraction form
    10,525.92/15,783.92 = 3,947.36/x
  3. Step 3: Cross multiply
    10,525.92x = 15,783.92 × 3,947.36
  4. Step 4: Simplify right side
    10,525.92x = 62,304,814.45
  5. Step 5: Solve for x
    x = 62,304,814.45/10,525.92
  6. Step 6: Final answer
    x = 5,919.18

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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.