Home / 11,356.60-17,015.30-4,776.12

Finding the Fourth Proportional to 11,356.60, 17,015.30 and 4,776.12

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Solution

The fourth proportional to 11,356.60, 17,015.30 and 4,776.12 is: 7,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.60 : 17,015.30 = 4,776.12 : x
  2. Step 2: Convert to fraction form
    11,356.60/17,015.30 = 4,776.12/x
  3. Step 3: Cross multiply
    11,356.60x = 17,015.30 × 4,776.12
  4. Step 4: Simplify right side
    11,356.60x = 81,267,114.64
  5. Step 5: Solve for x
    x = 81,267,114.64/11,356.60
  6. Step 6: Final answer
    x = 7,155.94

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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.