Home / 12,712.12-19,060.26-4,917.40

Finding the Fourth Proportional to 12,712.12, 19,060.26 and 4,917.40

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Solution

The fourth proportional to 12,712.12, 19,060.26 and 4,917.40 is: 7,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.12 : 19,060.26 = 4,917.40 : x
  2. Step 2: Convert to fraction form
    12,712.12/19,060.26 = 4,917.40/x
  3. Step 3: Cross multiply
    12,712.12x = 19,060.26 × 4,917.40
  4. Step 4: Simplify right side
    12,712.12x = 93,726,922.52
  5. Step 5: Solve for x
    x = 93,726,922.52/12,712.12
  6. Step 6: Final answer
    x = 7,373.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.