Home / 12,161.04-18,225.36-5,913.36

Finding the Fourth Proportional to 12,161.04, 18,225.36 and 5,913.36

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Solution

The fourth proportional to 12,161.04, 18,225.36 and 5,913.36 is: 8,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.04 : 18,225.36 = 5,913.36 : x
  2. Step 2: Convert to fraction form
    12,161.04/18,225.36 = 5,913.36/x
  3. Step 3: Cross multiply
    12,161.04x = 18,225.36 × 5,913.36
  4. Step 4: Simplify right side
    12,161.04x = 107,773,114.81
  5. Step 5: Solve for x
    x = 107,773,114.81/12,161.04
  6. Step 6: Final answer
    x = 8,862.16

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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.