Home / 12,523.10-17,277.69-7,217.81

Finding the Fourth Proportional to 12,523.10, 17,277.69 and 7,217.81

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Solution

The fourth proportional to 12,523.10, 17,277.69 and 7,217.81 is: 9,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.10 : 17,277.69 = 7,217.81 : x
  2. Step 2: Convert to fraction form
    12,523.10/17,277.69 = 7,217.81/x
  3. Step 3: Cross multiply
    12,523.10x = 17,277.69 × 7,217.81
  4. Step 4: Simplify right side
    12,523.10x = 124,706,961.18
  5. Step 5: Solve for x
    x = 124,706,961.18/12,523.10
  6. Step 6: Final answer
    x = 9,958.15

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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.