Home / 11,931.10-17,888.75-5,692.08

Finding the Fourth Proportional to 11,931.10, 17,888.75 and 5,692.08

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Solution

The fourth proportional to 11,931.10, 17,888.75 and 5,692.08 is: 8,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.10 : 17,888.75 = 5,692.08 : x
  2. Step 2: Convert to fraction form
    11,931.10/17,888.75 = 5,692.08/x
  3. Step 3: Cross multiply
    11,931.10x = 17,888.75 × 5,692.08
  4. Step 4: Simplify right side
    11,931.10x = 101,824,106.66
  5. Step 5: Solve for x
    x = 101,824,106.66/11,931.10
  6. Step 6: Final answer
    x = 8,534.34

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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.