Home / 10,487.75-15,728.26-3,466.13

Finding the Fourth Proportional to 10,487.75, 15,728.26 and 3,466.13

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Solution

The fourth proportional to 10,487.75, 15,728.26 and 3,466.13 is: 5,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.75 : 15,728.26 = 3,466.13 : x
  2. Step 2: Convert to fraction form
    10,487.75/15,728.26 = 3,466.13/x
  3. Step 3: Cross multiply
    10,487.75x = 15,728.26 × 3,466.13
  4. Step 4: Simplify right side
    10,487.75x = 54,516,193.83
  5. Step 5: Solve for x
    x = 54,516,193.83/10,487.75
  6. Step 6: Final answer
    x = 5,198.08

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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.