Home / 11,580.09-17,368.28-3,681.55

Finding the Fourth Proportional to 11,580.09, 17,368.28 and 3,681.55

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Solution

The fourth proportional to 11,580.09, 17,368.28 and 3,681.55 is: 5,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.09 : 17,368.28 = 3,681.55 : x
  2. Step 2: Convert to fraction form
    11,580.09/17,368.28 = 3,681.55/x
  3. Step 3: Cross multiply
    11,580.09x = 17,368.28 × 3,681.55
  4. Step 4: Simplify right side
    11,580.09x = 63,942,191.23
  5. Step 5: Solve for x
    x = 63,942,191.23/11,580.09
  6. Step 6: Final answer
    x = 5,521.74

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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.