Home / 13,106.60-19,664.76-6,090.04

Finding the Fourth Proportional to 13,106.60, 19,664.76 and 6,090.04

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Solution

The fourth proportional to 13,106.60, 19,664.76 and 6,090.04 is: 9,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.60 : 19,664.76 = 6,090.04 : x
  2. Step 2: Convert to fraction form
    13,106.60/19,664.76 = 6,090.04/x
  3. Step 3: Cross multiply
    13,106.60x = 19,664.76 × 6,090.04
  4. Step 4: Simplify right side
    13,106.60x = 119,759,174.99
  5. Step 5: Solve for x
    x = 119,759,174.99/13,106.60
  6. Step 6: Final answer
    x = 9,137.32

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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.