Home / 8,143.05-11,237.36-4,606.28

Finding the Fourth Proportional to 8,143.05, 11,237.36 and 4,606.28

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Solution

The fourth proportional to 8,143.05, 11,237.36 and 4,606.28 is: 6,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.05 : 11,237.36 = 4,606.28 : x
  2. Step 2: Convert to fraction form
    8,143.05/11,237.36 = 4,606.28/x
  3. Step 3: Cross multiply
    8,143.05x = 11,237.36 × 4,606.28
  4. Step 4: Simplify right side
    8,143.05x = 51,762,347.40
  5. Step 5: Solve for x
    x = 51,762,347.40/8,143.05
  6. Step 6: Final answer
    x = 6,356.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.