Home / 9,010.46-13,515.70-3,165.72

Finding the Fourth Proportional to 9,010.46, 13,515.70 and 3,165.72

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Solution

The fourth proportional to 9,010.46, 13,515.70 and 3,165.72 is: 4,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.46 : 13,515.70 = 3,165.72 : x
  2. Step 2: Convert to fraction form
    9,010.46/13,515.70 = 3,165.72/x
  3. Step 3: Cross multiply
    9,010.46x = 13,515.70 × 3,165.72
  4. Step 4: Simplify right side
    9,010.46x = 42,786,921.80
  5. Step 5: Solve for x
    x = 42,786,921.80/9,010.46
  6. Step 6: Final answer
    x = 4,748.58

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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.