Home / 8,271.69-11,415.45-4,734.83

Finding the Fourth Proportional to 8,271.69, 11,415.45 and 4,734.83

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Solution

The fourth proportional to 8,271.69, 11,415.45 and 4,734.83 is: 6,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.69 : 11,415.45 = 4,734.83 : x
  2. Step 2: Convert to fraction form
    8,271.69/11,415.45 = 4,734.83/x
  3. Step 3: Cross multiply
    8,271.69x = 11,415.45 × 4,734.83
  4. Step 4: Simplify right side
    8,271.69x = 54,050,158.05
  5. Step 5: Solve for x
    x = 54,050,158.05/8,271.69
  6. Step 6: Final answer
    x = 6,534.35

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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.