Home / 11,165.72-16,750.73-5,977.40

Finding the Fourth Proportional to 11,165.72, 16,750.73 and 5,977.40

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Solution

The fourth proportional to 11,165.72, 16,750.73 and 5,977.40 is: 8,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.72 : 16,750.73 = 5,977.40 : x
  2. Step 2: Convert to fraction form
    11,165.72/16,750.73 = 5,977.40/x
  3. Step 3: Cross multiply
    11,165.72x = 16,750.73 × 5,977.40
  4. Step 4: Simplify right side
    11,165.72x = 100,125,744.69
  5. Step 5: Solve for x
    x = 100,125,744.69/11,165.72
  6. Step 6: Final answer
    x = 8,967.25

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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.