Home / 10,279.10-14,185.08-5,563.40

Finding the Fourth Proportional to 10,279.10, 14,185.08 and 5,563.40

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Solution

The fourth proportional to 10,279.10, 14,185.08 and 5,563.40 is: 7,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.10 : 14,185.08 = 5,563.40 : x
  2. Step 2: Convert to fraction form
    10,279.10/14,185.08 = 5,563.40/x
  3. Step 3: Cross multiply
    10,279.10x = 14,185.08 × 5,563.40
  4. Step 4: Simplify right side
    10,279.10x = 78,917,274.07
  5. Step 5: Solve for x
    x = 78,917,274.07/10,279.10
  6. Step 6: Final answer
    x = 7,677.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.