Home / 8,142.90-11,237.44-4,606.04

Finding the Fourth Proportional to 8,142.90, 11,237.44 and 4,606.04

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Solution

The fourth proportional to 8,142.90, 11,237.44 and 4,606.04 is: 6,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.90 : 11,237.44 = 4,606.04 : x
  2. Step 2: Convert to fraction form
    8,142.90/11,237.44 = 4,606.04/x
  3. Step 3: Cross multiply
    8,142.90x = 11,237.44 × 4,606.04
  4. Step 4: Simplify right side
    8,142.90x = 51,760,098.14
  5. Step 5: Solve for x
    x = 51,760,098.14/8,142.90
  6. Step 6: Final answer
    x = 6,356.47

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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.