Home / 11,785.50-16,264.90-6,751.32

Finding the Fourth Proportional to 11,785.50, 16,264.90 and 6,751.32

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Solution

The fourth proportional to 11,785.50, 16,264.90 and 6,751.32 is: 9,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.50 : 16,264.90 = 6,751.32 : x
  2. Step 2: Convert to fraction form
    11,785.50/16,264.90 = 6,751.32/x
  3. Step 3: Cross multiply
    11,785.50x = 16,264.90 × 6,751.32
  4. Step 4: Simplify right side
    11,785.50x = 109,809,544.67
  5. Step 5: Solve for x
    x = 109,809,544.67/11,785.50
  6. Step 6: Final answer
    x = 9,317.34

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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.