Home / 9,172.13-12,656.66-5,192.46

Finding the Fourth Proportional to 9,172.13, 12,656.66 and 5,192.46

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Solution

The fourth proportional to 9,172.13, 12,656.66 and 5,192.46 is: 7,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.13 : 12,656.66 = 5,192.46 : x
  2. Step 2: Convert to fraction form
    9,172.13/12,656.66 = 5,192.46/x
  3. Step 3: Cross multiply
    9,172.13x = 12,656.66 × 5,192.46
  4. Step 4: Simplify right side
    9,172.13x = 65,719,174.82
  5. Step 5: Solve for x
    x = 65,719,174.82/9,172.13
  6. Step 6: Final answer
    x = 7,165.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.