Home / 8,739.42-12,060.34-4,760.53

Finding the Fourth Proportional to 8,739.42, 12,060.34 and 4,760.53

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Solution

The fourth proportional to 8,739.42, 12,060.34 and 4,760.53 is: 6,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.42 : 12,060.34 = 4,760.53 : x
  2. Step 2: Convert to fraction form
    8,739.42/12,060.34 = 4,760.53/x
  3. Step 3: Cross multiply
    8,739.42x = 12,060.34 × 4,760.53
  4. Step 4: Simplify right side
    8,739.42x = 57,413,611.62
  5. Step 5: Solve for x
    x = 57,413,611.62/8,739.42
  6. Step 6: Final answer
    x = 6,569.50

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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.