Home / 10,236.72-15,342.30-4,386.54

Finding the Fourth Proportional to 10,236.72, 15,342.30 and 4,386.54

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Solution

The fourth proportional to 10,236.72, 15,342.30 and 4,386.54 is: 6,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.72 : 15,342.30 = 4,386.54 : x
  2. Step 2: Convert to fraction form
    10,236.72/15,342.30 = 4,386.54/x
  3. Step 3: Cross multiply
    10,236.72x = 15,342.30 × 4,386.54
  4. Step 4: Simplify right side
    10,236.72x = 67,299,612.64
  5. Step 5: Solve for x
    x = 67,299,612.64/10,236.72
  6. Step 6: Final answer
    x = 6,574.33

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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.