Home / 12,325.59-17,009.07-7,222.37

Finding the Fourth Proportional to 12,325.59, 17,009.07 and 7,222.37

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Solution

The fourth proportional to 12,325.59, 17,009.07 and 7,222.37 is: 9,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.59 : 17,009.07 = 7,222.37 : x
  2. Step 2: Convert to fraction form
    12,325.59/17,009.07 = 7,222.37/x
  3. Step 3: Cross multiply
    12,325.59x = 17,009.07 × 7,222.37
  4. Step 4: Simplify right side
    12,325.59x = 122,845,711.85
  5. Step 5: Solve for x
    x = 122,845,711.85/12,325.59
  6. Step 6: Final answer
    x = 9,966.72

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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.