Home / 12,637.11-17,420.74-8,848.33

Finding the Fourth Proportional to 12,637.11, 17,420.74 and 8,848.33

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Solution

The fourth proportional to 12,637.11, 17,420.74 and 8,848.33 is: 12,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.11 : 17,420.74 = 8,848.33 : x
  2. Step 2: Convert to fraction form
    12,637.11/17,420.74 = 8,848.33/x
  3. Step 3: Cross multiply
    12,637.11x = 17,420.74 × 8,848.33
  4. Step 4: Simplify right side
    12,637.11x = 154,144,456.36
  5. Step 5: Solve for x
    x = 154,144,456.36/12,637.11
  6. Step 6: Final answer
    x = 12,197.76

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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.