Home / 12,258.42-16,918.50-6,952.11

Finding the Fourth Proportional to 12,258.42, 16,918.50 and 6,952.11

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Solution

The fourth proportional to 12,258.42, 16,918.50 and 6,952.11 is: 9,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.42 : 16,918.50 = 6,952.11 : x
  2. Step 2: Convert to fraction form
    12,258.42/16,918.50 = 6,952.11/x
  3. Step 3: Cross multiply
    12,258.42x = 16,918.50 × 6,952.11
  4. Step 4: Simplify right side
    12,258.42x = 117,619,273.04
  5. Step 5: Solve for x
    x = 117,619,273.04/12,258.42
  6. Step 6: Final answer
    x = 9,594.98

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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.