Home / 7,072.16-9,755.09-4,345.50

Finding the Fourth Proportional to 7,072.16, 9,755.09 and 4,345.50

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Solution

The fourth proportional to 7,072.16, 9,755.09 and 4,345.50 is: 5,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.16 : 9,755.09 = 4,345.50 : x
  2. Step 2: Convert to fraction form
    7,072.16/9,755.09 = 4,345.50/x
  3. Step 3: Cross multiply
    7,072.16x = 9,755.09 × 4,345.50
  4. Step 4: Simplify right side
    7,072.16x = 42,390,743.60
  5. Step 5: Solve for x
    x = 42,390,743.60/7,072.16
  6. Step 6: Final answer
    x = 5,994.03

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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.