Home / 13,112.55-19,666.09-4,796.48

Finding the Fourth Proportional to 13,112.55, 19,666.09 and 4,796.48

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Solution

The fourth proportional to 13,112.55, 19,666.09 and 4,796.48 is: 7,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.55 : 19,666.09 = 4,796.48 : x
  2. Step 2: Convert to fraction form
    13,112.55/19,666.09 = 4,796.48/x
  3. Step 3: Cross multiply
    13,112.55x = 19,666.09 × 4,796.48
  4. Step 4: Simplify right side
    13,112.55x = 94,327,983.38
  5. Step 5: Solve for x
    x = 94,327,983.38/13,112.55
  6. Step 6: Final answer
    x = 7,193.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.