Home / 12,349.27-17,040.40-7,043.77

Finding the Fourth Proportional to 12,349.27, 17,040.40 and 7,043.77

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Solution

The fourth proportional to 12,349.27, 17,040.40 and 7,043.77 is: 9,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.27 : 17,040.40 = 7,043.77 : x
  2. Step 2: Convert to fraction form
    12,349.27/17,040.40 = 7,043.77/x
  3. Step 3: Cross multiply
    12,349.27x = 17,040.40 × 7,043.77
  4. Step 4: Simplify right side
    12,349.27x = 120,028,658.31
  5. Step 5: Solve for x
    x = 120,028,658.31/12,349.27
  6. Step 6: Final answer
    x = 9,719.49

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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.