Home / 10,071.18-15,103.26-3,495.60

Finding the Fourth Proportional to 10,071.18, 15,103.26 and 3,495.60

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Solution

The fourth proportional to 10,071.18, 15,103.26 and 3,495.60 is: 5,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.18 : 15,103.26 = 3,495.60 : x
  2. Step 2: Convert to fraction form
    10,071.18/15,103.26 = 3,495.60/x
  3. Step 3: Cross multiply
    10,071.18x = 15,103.26 × 3,495.60
  4. Step 4: Simplify right side
    10,071.18x = 52,794,955.66
  5. Step 5: Solve for x
    x = 52,794,955.66/10,071.18
  6. Step 6: Final answer
    x = 5,242.18

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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.