Home / 8,064.73-11,129.29-4,707.69

Finding the Fourth Proportional to 8,064.73, 11,129.29 and 4,707.69

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Solution

The fourth proportional to 8,064.73, 11,129.29 and 4,707.69 is: 6,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.73 : 11,129.29 = 4,707.69 : x
  2. Step 2: Convert to fraction form
    8,064.73/11,129.29 = 4,707.69/x
  3. Step 3: Cross multiply
    8,064.73x = 11,129.29 × 4,707.69
  4. Step 4: Simplify right side
    8,064.73x = 52,393,247.24
  5. Step 5: Solve for x
    x = 52,393,247.24/8,064.73
  6. Step 6: Final answer
    x = 6,496.59

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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.