Home / 10,607.25-15,918.18-3,681.75

Finding the Fourth Proportional to 10,607.25, 15,918.18 and 3,681.75

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Solution

The fourth proportional to 10,607.25, 15,918.18 and 3,681.75 is: 5,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.25 : 15,918.18 = 3,681.75 : x
  2. Step 2: Convert to fraction form
    10,607.25/15,918.18 = 3,681.75/x
  3. Step 3: Cross multiply
    10,607.25x = 15,918.18 × 3,681.75
  4. Step 4: Simplify right side
    10,607.25x = 58,606,759.22
  5. Step 5: Solve for x
    x = 58,606,759.22/10,607.25
  6. Step 6: Final answer
    x = 5,525.16

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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.