Home / 8,111.13-11,193.32-4,574.37

Finding the Fourth Proportional to 8,111.13, 11,193.32 and 4,574.37

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Solution

The fourth proportional to 8,111.13, 11,193.32 and 4,574.37 is: 6,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.13 : 11,193.32 = 4,574.37 : x
  2. Step 2: Convert to fraction form
    8,111.13/11,193.32 = 4,574.37/x
  3. Step 3: Cross multiply
    8,111.13x = 11,193.32 × 4,574.37
  4. Step 4: Simplify right side
    8,111.13x = 51,202,364.34
  5. Step 5: Solve for x
    x = 51,202,364.34/8,111.13
  6. Step 6: Final answer
    x = 6,312.61

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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.