Home / 10,029.56-13,840.20-5,553.06

Finding the Fourth Proportional to 10,029.56, 13,840.20 and 5,553.06

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Solution

The fourth proportional to 10,029.56, 13,840.20 and 5,553.06 is: 7,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.56 : 13,840.20 = 5,553.06 : x
  2. Step 2: Convert to fraction form
    10,029.56/13,840.20 = 5,553.06/x
  3. Step 3: Cross multiply
    10,029.56x = 13,840.20 × 5,553.06
  4. Step 4: Simplify right side
    10,029.56x = 76,855,409.11
  5. Step 5: Solve for x
    x = 76,855,409.11/10,029.56
  6. Step 6: Final answer
    x = 7,662.89

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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.