Home / 8,739.15-12,060.16-4,962.19

Finding the Fourth Proportional to 8,739.15, 12,060.16 and 4,962.19

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Solution

The fourth proportional to 8,739.15, 12,060.16 and 4,962.19 is: 6,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.15 : 12,060.16 = 4,962.19 : x
  2. Step 2: Convert to fraction form
    8,739.15/12,060.16 = 4,962.19/x
  3. Step 3: Cross multiply
    8,739.15x = 12,060.16 × 4,962.19
  4. Step 4: Simplify right side
    8,739.15x = 59,844,805.35
  5. Step 5: Solve for x
    x = 59,844,805.35/8,739.15
  6. Step 6: Final answer
    x = 6,847.90

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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.