Home / 9,011.96-13,515.20-3,167.20

Finding the Fourth Proportional to 9,011.96, 13,515.20 and 3,167.20

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Solution

The fourth proportional to 9,011.96, 13,515.20 and 3,167.20 is: 4,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.96 : 13,515.20 = 3,167.20 : x
  2. Step 2: Convert to fraction form
    9,011.96/13,515.20 = 3,167.20/x
  3. Step 3: Cross multiply
    9,011.96x = 13,515.20 × 3,167.20
  4. Step 4: Simplify right side
    9,011.96x = 42,805,341.44
  5. Step 5: Solve for x
    x = 42,805,341.44/9,011.96
  6. Step 6: Final answer
    x = 4,749.84

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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.