Home / 10,765.96-16,148.91-2,974.75

Finding the Fourth Proportional to 10,765.96, 16,148.91 and 2,974.75

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Solution

The fourth proportional to 10,765.96, 16,148.91 and 2,974.75 is: 4,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.96 : 16,148.91 = 2,974.75 : x
  2. Step 2: Convert to fraction form
    10,765.96/16,148.91 = 2,974.75/x
  3. Step 3: Cross multiply
    10,765.96x = 16,148.91 × 2,974.75
  4. Step 4: Simplify right side
    10,765.96x = 48,038,970.02
  5. Step 5: Solve for x
    x = 48,038,970.02/10,765.96
  6. Step 6: Final answer
    x = 4,462.12

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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.