Home / 9,327.75-13,987.23-3,776.87

Finding the Fourth Proportional to 9,327.75, 13,987.23 and 3,776.87

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Solution

The fourth proportional to 9,327.75, 13,987.23 and 3,776.87 is: 5,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.75 : 13,987.23 = 3,776.87 : x
  2. Step 2: Convert to fraction form
    9,327.75/13,987.23 = 3,776.87/x
  3. Step 3: Cross multiply
    9,327.75x = 13,987.23 × 3,776.87
  4. Step 4: Simplify right side
    9,327.75x = 52,827,914.40
  5. Step 5: Solve for x
    x = 52,827,914.40/9,327.75
  6. Step 6: Final answer
    x = 5,663.52

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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.