Home / 10,467.36-15,692.40-7,693.92

Finding the Fourth Proportional to 10,467.36, 15,692.40 and 7,693.92

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Solution

The fourth proportional to 10,467.36, 15,692.40 and 7,693.92 is: 11,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.36 : 15,692.40 = 7,693.92 : x
  2. Step 2: Convert to fraction form
    10,467.36/15,692.40 = 7,693.92/x
  3. Step 3: Cross multiply
    10,467.36x = 15,692.40 × 7,693.92
  4. Step 4: Simplify right side
    10,467.36x = 120,736,070.21
  5. Step 5: Solve for x
    x = 120,736,070.21/10,467.36
  6. Step 6: Final answer
    x = 11,534.53

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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.