Home / 6,886.89-9,432.68-6,482.96

Finding the Fourth Proportional to 6,886.89, 9,432.68 and 6,482.96

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Solution

The fourth proportional to 6,886.89, 9,432.68 and 6,482.96 is: 8,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.89 : 9,432.68 = 6,482.96 : x
  2. Step 2: Convert to fraction form
    6,886.89/9,432.68 = 6,482.96/x
  3. Step 3: Cross multiply
    6,886.89x = 9,432.68 × 6,482.96
  4. Step 4: Simplify right side
    6,886.89x = 61,151,607.55
  5. Step 5: Solve for x
    x = 61,151,607.55/6,886.89
  6. Step 6: Final answer
    x = 8,879.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.