Home / 8,292.07-12,450.58-7,134.68

Finding the Fourth Proportional to 8,292.07, 12,450.58 and 7,134.68

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Solution

The fourth proportional to 8,292.07, 12,450.58 and 7,134.68 is: 10,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.07 : 12,450.58 = 7,134.68 : x
  2. Step 2: Convert to fraction form
    8,292.07/12,450.58 = 7,134.68/x
  3. Step 3: Cross multiply
    8,292.07x = 12,450.58 × 7,134.68
  4. Step 4: Simplify right side
    8,292.07x = 88,830,917.40
  5. Step 5: Solve for x
    x = 88,830,917.40/8,292.07
  6. Step 6: Final answer
    x = 10,712.75

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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.