Home / 8,957.12-13,436.48-2,383.36

Finding the Fourth Proportional to 8,957.12, 13,436.48 and 2,383.36

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Solution

The fourth proportional to 8,957.12, 13,436.48 and 2,383.36 is: 3,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.12 : 13,436.48 = 2,383.36 : x
  2. Step 2: Convert to fraction form
    8,957.12/13,436.48 = 2,383.36/x
  3. Step 3: Cross multiply
    8,957.12x = 13,436.48 × 2,383.36
  4. Step 4: Simplify right side
    8,957.12x = 32,023,941.34
  5. Step 5: Solve for x
    x = 32,023,941.34/8,957.12
  6. Step 6: Final answer
    x = 3,575.25

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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.