Home / 10,231.54-15,344.06-4,386.58

Finding the Fourth Proportional to 10,231.54, 15,344.06 and 4,386.58

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Solution

The fourth proportional to 10,231.54, 15,344.06 and 4,386.58 is: 6,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.54 : 15,344.06 = 4,386.58 : x
  2. Step 2: Convert to fraction form
    10,231.54/15,344.06 = 4,386.58/x
  3. Step 3: Cross multiply
    10,231.54x = 15,344.06 × 4,386.58
  4. Step 4: Simplify right side
    10,231.54x = 67,307,946.71
  5. Step 5: Solve for x
    x = 67,307,946.71/10,231.54
  6. Step 6: Final answer
    x = 6,578.48

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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.