Home / 12,354.08-17,048.80-6,765.12

Finding the Fourth Proportional to 12,354.08, 17,048.80 and 6,765.12

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Solution

The fourth proportional to 12,354.08, 17,048.80 and 6,765.12 is: 9,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.08 : 17,048.80 = 6,765.12 : x
  2. Step 2: Convert to fraction form
    12,354.08/17,048.80 = 6,765.12/x
  3. Step 3: Cross multiply
    12,354.08x = 17,048.80 × 6,765.12
  4. Step 4: Simplify right side
    12,354.08x = 115,337,177.86
  5. Step 5: Solve for x
    x = 115,337,177.86/12,354.08
  6. Step 6: Final answer
    x = 9,335.96

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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.