Home / 10,463.36-15,688.96-4,218.26

Finding the Fourth Proportional to 10,463.36, 15,688.96 and 4,218.26

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Solution

The fourth proportional to 10,463.36, 15,688.96 and 4,218.26 is: 6,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.36 : 15,688.96 = 4,218.26 : x
  2. Step 2: Convert to fraction form
    10,463.36/15,688.96 = 4,218.26/x
  3. Step 3: Cross multiply
    10,463.36x = 15,688.96 × 4,218.26
  4. Step 4: Simplify right side
    10,463.36x = 66,180,112.41
  5. Step 5: Solve for x
    x = 66,180,112.41/10,463.36
  6. Step 6: Final answer
    x = 6,324.94

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1.5x scale

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.