Home / 12,699.04-17,524.48-7,109.92

Finding the Fourth Proportional to 12,699.04, 17,524.48 and 7,109.92

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Solution

The fourth proportional to 12,699.04, 17,524.48 and 7,109.92 is: 9,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.04 : 17,524.48 = 7,109.92 : x
  2. Step 2: Convert to fraction form
    12,699.04/17,524.48 = 7,109.92/x
  3. Step 3: Cross multiply
    12,699.04x = 17,524.48 × 7,109.92
  4. Step 4: Simplify right side
    12,699.04x = 124,597,650.84
  5. Step 5: Solve for x
    x = 124,597,650.84/12,699.04
  6. Step 6: Final answer
    x = 9,811.58

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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.