Home / 12,237.09-16,884.28-7,201.53

Finding the Fourth Proportional to 12,237.09, 16,884.28 and 7,201.53

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Solution

The fourth proportional to 12,237.09, 16,884.28 and 7,201.53 is: 9,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.09 : 16,884.28 = 7,201.53 : x
  2. Step 2: Convert to fraction form
    12,237.09/16,884.28 = 7,201.53/x
  3. Step 3: Cross multiply
    12,237.09x = 16,884.28 × 7,201.53
  4. Step 4: Simplify right side
    12,237.09x = 121,592,648.95
  5. Step 5: Solve for x
    x = 121,592,648.95/12,237.09
  6. Step 6: Final answer
    x = 9,936.40

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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.