Home / 11,895.60-16,416.30-6,590.43

Finding the Fourth Proportional to 11,895.60, 16,416.30 and 6,590.43

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Solution

The fourth proportional to 11,895.60, 16,416.30 and 6,590.43 is: 9,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.60 : 16,416.30 = 6,590.43 : x
  2. Step 2: Convert to fraction form
    11,895.60/16,416.30 = 6,590.43/x
  3. Step 3: Cross multiply
    11,895.60x = 16,416.30 × 6,590.43
  4. Step 4: Simplify right side
    11,895.60x = 108,190,476.01
  5. Step 5: Solve for x
    x = 108,190,476.01/11,895.60
  6. Step 6: Final answer
    x = 9,095.00

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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.