Home / 8,133.10-11,228.50-5,151.48

Finding the Fourth Proportional to 8,133.10, 11,228.50 and 5,151.48

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Solution

The fourth proportional to 8,133.10, 11,228.50 and 5,151.48 is: 7,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.10 : 11,228.50 = 5,151.48 : x
  2. Step 2: Convert to fraction form
    8,133.10/11,228.50 = 5,151.48/x
  3. Step 3: Cross multiply
    8,133.10x = 11,228.50 × 5,151.48
  4. Step 4: Simplify right side
    8,133.10x = 57,843,393.18
  5. Step 5: Solve for x
    x = 57,843,393.18/8,133.10
  6. Step 6: Final answer
    x = 7,112.10

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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.