Home / 8,141.10-11,236.77-4,605.45

Finding the Fourth Proportional to 8,141.10, 11,236.77 and 4,605.45

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Solution

The fourth proportional to 8,141.10, 11,236.77 and 4,605.45 is: 6,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.10 : 11,236.77 = 4,605.45 : x
  2. Step 2: Convert to fraction form
    8,141.10/11,236.77 = 4,605.45/x
  3. Step 3: Cross multiply
    8,141.10x = 11,236.77 × 4,605.45
  4. Step 4: Simplify right side
    8,141.10x = 51,750,382.40
  5. Step 5: Solve for x
    x = 51,750,382.40/8,141.10
  6. Step 6: Final answer
    x = 6,356.68

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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.