Home / 8,431.08-11,632.90-4,893.68

Finding the Fourth Proportional to 8,431.08, 11,632.90 and 4,893.68

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Solution

The fourth proportional to 8,431.08, 11,632.90 and 4,893.68 is: 6,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.08 : 11,632.90 = 4,893.68 : x
  2. Step 2: Convert to fraction form
    8,431.08/11,632.90 = 4,893.68/x
  3. Step 3: Cross multiply
    8,431.08x = 11,632.90 × 4,893.68
  4. Step 4: Simplify right side
    8,431.08x = 56,927,690.07
  5. Step 5: Solve for x
    x = 56,927,690.07/8,431.08
  6. Step 6: Final answer
    x = 6,752.12

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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.