Home / 10,416.56-15,628.08-3,491.36

Finding the Fourth Proportional to 10,416.56, 15,628.08 and 3,491.36

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Solution

The fourth proportional to 10,416.56, 15,628.08 and 3,491.36 is: 5,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.56 : 15,628.08 = 3,491.36 : x
  2. Step 2: Convert to fraction form
    10,416.56/15,628.08 = 3,491.36/x
  3. Step 3: Cross multiply
    10,416.56x = 15,628.08 × 3,491.36
  4. Step 4: Simplify right side
    10,416.56x = 54,563,253.39
  5. Step 5: Solve for x
    x = 54,563,253.39/10,416.56
  6. Step 6: Final answer
    x = 5,238.13

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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.