Home / 6,717.12-9,272.84-4,482.72

Finding the Fourth Proportional to 6,717.12, 9,272.84 and 4,482.72

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Solution

The fourth proportional to 6,717.12, 9,272.84 and 4,482.72 is: 6,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.12 : 9,272.84 = 4,482.72 : x
  2. Step 2: Convert to fraction form
    6,717.12/9,272.84 = 4,482.72/x
  3. Step 3: Cross multiply
    6,717.12x = 9,272.84 × 4,482.72
  4. Step 4: Simplify right side
    6,717.12x = 41,567,545.32
  5. Step 5: Solve for x
    x = 41,567,545.32/6,717.12
  6. Step 6: Final answer
    x = 6,188.30

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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.