Home / 12,708.14-19,054.52-5,686.85

Finding the Fourth Proportional to 12,708.14, 19,054.52 and 5,686.85

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Solution

The fourth proportional to 12,708.14, 19,054.52 and 5,686.85 is: 8,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.14 : 19,054.52 = 5,686.85 : x
  2. Step 2: Convert to fraction form
    12,708.14/19,054.52 = 5,686.85/x
  3. Step 3: Cross multiply
    12,708.14x = 19,054.52 × 5,686.85
  4. Step 4: Simplify right side
    12,708.14x = 108,360,130.41
  5. Step 5: Solve for x
    x = 108,360,130.41/12,708.14
  6. Step 6: Final answer
    x = 8,526.83

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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.