Home / 11,840.36-17,762.04-3,520.64

Finding the Fourth Proportional to 11,840.36, 17,762.04 and 3,520.64

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Solution

The fourth proportional to 11,840.36, 17,762.04 and 3,520.64 is: 5,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.36 : 17,762.04 = 3,520.64 : x
  2. Step 2: Convert to fraction form
    11,840.36/17,762.04 = 3,520.64/x
  3. Step 3: Cross multiply
    11,840.36x = 17,762.04 × 3,520.64
  4. Step 4: Simplify right side
    11,840.36x = 62,533,748.51
  5. Step 5: Solve for x
    x = 62,533,748.51/11,840.36
  6. Step 6: Final answer
    x = 5,281.41

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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.