Home / 8,424.92-11,622.62-4,886.08

Finding the Fourth Proportional to 8,424.92, 11,622.62 and 4,886.08

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Solution

The fourth proportional to 8,424.92, 11,622.62 and 4,886.08 is: 6,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.92 : 11,622.62 = 4,886.08 : x
  2. Step 2: Convert to fraction form
    8,424.92/11,622.62 = 4,886.08/x
  3. Step 3: Cross multiply
    8,424.92x = 11,622.62 × 4,886.08
  4. Step 4: Simplify right side
    8,424.92x = 56,789,034.29
  5. Step 5: Solve for x
    x = 56,789,034.29/8,424.92
  6. Step 6: Final answer
    x = 6,740.60

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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.