Home / 8,739.64-12,060.12-4,760.56

Finding the Fourth Proportional to 8,739.64, 12,060.12 and 4,760.56

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Solution

The fourth proportional to 8,739.64, 12,060.12 and 4,760.56 is: 6,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.64 : 12,060.12 = 4,760.56 : x
  2. Step 2: Convert to fraction form
    8,739.64/12,060.12 = 4,760.56/x
  3. Step 3: Cross multiply
    8,739.64x = 12,060.12 × 4,760.56
  4. Step 4: Simplify right side
    8,739.64x = 57,412,924.87
  5. Step 5: Solve for x
    x = 57,412,924.87/8,739.64
  6. Step 6: Final answer
    x = 6,569.26

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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.