Home / 12,373.27-17,072.70-7,336.55

Finding the Fourth Proportional to 12,373.27, 17,072.70 and 7,336.55

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Solution

The fourth proportional to 12,373.27, 17,072.70 and 7,336.55 is: 10,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.27 : 17,072.70 = 7,336.55 : x
  2. Step 2: Convert to fraction form
    12,373.27/17,072.70 = 7,336.55/x
  3. Step 3: Cross multiply
    12,373.27x = 17,072.70 × 7,336.55
  4. Step 4: Simplify right side
    12,373.27x = 125,254,717.19
  5. Step 5: Solve for x
    x = 125,254,717.19/12,373.27
  6. Step 6: Final answer
    x = 10,123.01

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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.