Home / 10,591.49-15,886.36-3,571.35

Finding the Fourth Proportional to 10,591.49, 15,886.36 and 3,571.35

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Solution

The fourth proportional to 10,591.49, 15,886.36 and 3,571.35 is: 5,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.49 : 15,886.36 = 3,571.35 : x
  2. Step 2: Convert to fraction form
    10,591.49/15,886.36 = 3,571.35/x
  3. Step 3: Cross multiply
    10,591.49x = 15,886.36 × 3,571.35
  4. Step 4: Simplify right side
    10,591.49x = 56,735,751.79
  5. Step 5: Solve for x
    x = 56,735,751.79/10,591.49
  6. Step 6: Final answer
    x = 5,356.73

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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.