Home / 13,273.47-18,317.88-7,304.98

Finding the Fourth Proportional to 13,273.47, 18,317.88 and 7,304.98

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Solution

The fourth proportional to 13,273.47, 18,317.88 and 7,304.98 is: 10,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.47 : 18,317.88 = 7,304.98 : x
  2. Step 2: Convert to fraction form
    13,273.47/18,317.88 = 7,304.98/x
  3. Step 3: Cross multiply
    13,273.47x = 18,317.88 × 7,304.98
  4. Step 4: Simplify right side
    13,273.47x = 133,811,747.04
  5. Step 5: Solve for x
    x = 133,811,747.04/13,273.47
  6. Step 6: Final answer
    x = 10,081.15

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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.