Home / 10,440.74-15,664.54-3,867.42

Finding the Fourth Proportional to 10,440.74, 15,664.54 and 3,867.42

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Solution

The fourth proportional to 10,440.74, 15,664.54 and 3,867.42 is: 5,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.74 : 15,664.54 = 3,867.42 : x
  2. Step 2: Convert to fraction form
    10,440.74/15,664.54 = 3,867.42/x
  3. Step 3: Cross multiply
    10,440.74x = 15,664.54 × 3,867.42
  4. Step 4: Simplify right side
    10,440.74x = 60,581,355.29
  5. Step 5: Solve for x
    x = 60,581,355.29/10,440.74
  6. Step 6: Final answer
    x = 5,802.40

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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.