Home / 11,677.06-16,114.34-7,485.32

Finding the Fourth Proportional to 11,677.06, 16,114.34 and 7,485.32

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Solution

The fourth proportional to 11,677.06, 16,114.34 and 7,485.32 is: 10,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.06 : 16,114.34 = 7,485.32 : x
  2. Step 2: Convert to fraction form
    11,677.06/16,114.34 = 7,485.32/x
  3. Step 3: Cross multiply
    11,677.06x = 16,114.34 × 7,485.32
  4. Step 4: Simplify right side
    11,677.06x = 120,620,991.49
  5. Step 5: Solve for x
    x = 120,620,991.49/11,677.06
  6. Step 6: Final answer
    x = 10,329.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.