Home / 12,253.49-16,902.60-7,708.93

Finding the Fourth Proportional to 12,253.49, 16,902.60 and 7,708.93

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Solution

The fourth proportional to 12,253.49, 16,902.60 and 7,708.93 is: 10,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.49 : 16,902.60 = 7,708.93 : x
  2. Step 2: Convert to fraction form
    12,253.49/16,902.60 = 7,708.93/x
  3. Step 3: Cross multiply
    12,253.49x = 16,902.60 × 7,708.93
  4. Step 4: Simplify right side
    12,253.49x = 130,300,960.22
  5. Step 5: Solve for x
    x = 130,300,960.22/12,253.49
  6. Step 6: Final answer
    x = 10,633.78

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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.