Home / 10,327.46-15,485.70-4,087.22

Finding the Fourth Proportional to 10,327.46, 15,485.70 and 4,087.22

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Solution

The fourth proportional to 10,327.46, 15,485.70 and 4,087.22 is: 6,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.46 : 15,485.70 = 4,087.22 : x
  2. Step 2: Convert to fraction form
    10,327.46/15,485.70 = 4,087.22/x
  3. Step 3: Cross multiply
    10,327.46x = 15,485.70 × 4,087.22
  4. Step 4: Simplify right side
    10,327.46x = 63,293,462.75
  5. Step 5: Solve for x
    x = 63,293,462.75/10,327.46
  6. Step 6: Final answer
    x = 6,128.66

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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.