Home / 13,084.34-18,057.90-7,343.37

Finding the Fourth Proportional to 13,084.34, 18,057.90 and 7,343.37

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Solution

The fourth proportional to 13,084.34, 18,057.90 and 7,343.37 is: 10,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.34 : 18,057.90 = 7,343.37 : x
  2. Step 2: Convert to fraction form
    13,084.34/18,057.90 = 7,343.37/x
  3. Step 3: Cross multiply
    13,084.34x = 18,057.90 × 7,343.37
  4. Step 4: Simplify right side
    13,084.34x = 132,605,841.12
  5. Step 5: Solve for x
    x = 132,605,841.12/13,084.34
  6. Step 6: Final answer
    x = 10,134.70

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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.