Home / 12,512.76-17,268.78-6,925.56

Finding the Fourth Proportional to 12,512.76, 17,268.78 and 6,925.56

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Solution

The fourth proportional to 12,512.76, 17,268.78 and 6,925.56 is: 9,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.76 : 17,268.78 = 6,925.56 : x
  2. Step 2: Convert to fraction form
    12,512.76/17,268.78 = 6,925.56/x
  3. Step 3: Cross multiply
    12,512.76x = 17,268.78 × 6,925.56
  4. Step 4: Simplify right side
    12,512.76x = 119,595,972.02
  5. Step 5: Solve for x
    x = 119,595,972.02/12,512.76
  6. Step 6: Final answer
    x = 9,557.92

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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.