Home / 7,887.51-11,832.66-2,692.17

Finding the Fourth Proportional to 7,887.51, 11,832.66 and 2,692.17

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Solution

The fourth proportional to 7,887.51, 11,832.66 and 2,692.17 is: 4,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.51 : 11,832.66 = 2,692.17 : x
  2. Step 2: Convert to fraction form
    7,887.51/11,832.66 = 2,692.17/x
  3. Step 3: Cross multiply
    7,887.51x = 11,832.66 × 2,692.17
  4. Step 4: Simplify right side
    7,887.51x = 31,855,532.27
  5. Step 5: Solve for x
    x = 31,855,532.27/7,887.51
  6. Step 6: Final answer
    x = 4,038.73

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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.