Home / 8,049.55-12,077.75-5,133.55

Finding the Fourth Proportional to 8,049.55, 12,077.75 and 5,133.55

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Solution

The fourth proportional to 8,049.55, 12,077.75 and 5,133.55 is: 7,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.55 : 12,077.75 = 5,133.55 : x
  2. Step 2: Convert to fraction form
    8,049.55/12,077.75 = 5,133.55/x
  3. Step 3: Cross multiply
    8,049.55x = 12,077.75 × 5,133.55
  4. Step 4: Simplify right side
    8,049.55x = 62,001,707.84
  5. Step 5: Solve for x
    x = 62,001,707.84/8,049.55
  6. Step 6: Final answer
    x = 7,702.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.