Home / 10,327.48-15,490.14-4,086.16

Finding the Fourth Proportional to 10,327.48, 15,490.14 and 4,086.16

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Solution

The fourth proportional to 10,327.48, 15,490.14 and 4,086.16 is: 6,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.48 : 15,490.14 = 4,086.16 : x
  2. Step 2: Convert to fraction form
    10,327.48/15,490.14 = 4,086.16/x
  3. Step 3: Cross multiply
    10,327.48x = 15,490.14 × 4,086.16
  4. Step 4: Simplify right side
    10,327.48x = 63,295,190.46
  5. Step 5: Solve for x
    x = 63,295,190.46/10,327.48
  6. Step 6: Final answer
    x = 6,128.81

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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.