Home / 9,072.83-13,607.12-4,687.90

Finding the Fourth Proportional to 9,072.83, 13,607.12 and 4,687.90

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Solution

The fourth proportional to 9,072.83, 13,607.12 and 4,687.90 is: 7,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.83 : 13,607.12 = 4,687.90 : x
  2. Step 2: Convert to fraction form
    9,072.83/13,607.12 = 4,687.90/x
  3. Step 3: Cross multiply
    9,072.83x = 13,607.12 × 4,687.90
  4. Step 4: Simplify right side
    9,072.83x = 63,788,795.55
  5. Step 5: Solve for x
    x = 63,788,795.55/9,072.83
  6. Step 6: Final answer
    x = 7,030.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.