Home / 8,731.49-12,054.90-6,077.93

Finding the Fourth Proportional to 8,731.49, 12,054.90 and 6,077.93

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Solution

The fourth proportional to 8,731.49, 12,054.90 and 6,077.93 is: 8,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.49 : 12,054.90 = 6,077.93 : x
  2. Step 2: Convert to fraction form
    8,731.49/12,054.90 = 6,077.93/x
  3. Step 3: Cross multiply
    8,731.49x = 12,054.90 × 6,077.93
  4. Step 4: Simplify right side
    8,731.49x = 73,268,747.69
  5. Step 5: Solve for x
    x = 73,268,747.69/8,731.49
  6. Step 6: Final answer
    x = 8,391.33

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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.