Home / 13,241.12-19,866.81-5,840.36

Finding the Fourth Proportional to 13,241.12, 19,866.81 and 5,840.36

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Solution

The fourth proportional to 13,241.12, 19,866.81 and 5,840.36 is: 8,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.12 : 19,866.81 = 5,840.36 : x
  2. Step 2: Convert to fraction form
    13,241.12/19,866.81 = 5,840.36/x
  3. Step 3: Cross multiply
    13,241.12x = 19,866.81 × 5,840.36
  4. Step 4: Simplify right side
    13,241.12x = 116,029,223.12
  5. Step 5: Solve for x
    x = 116,029,223.12/13,241.12
  6. Step 6: Final answer
    x = 8,762.80

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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.