Home / 9,072.60-13,598.10-4,687.80

Finding the Fourth Proportional to 9,072.60, 13,598.10 and 4,687.80

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Solution

The fourth proportional to 9,072.60, 13,598.10 and 4,687.80 is: 7,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.60 : 13,598.10 = 4,687.80 : x
  2. Step 2: Convert to fraction form
    9,072.60/13,598.10 = 4,687.80/x
  3. Step 3: Cross multiply
    9,072.60x = 13,598.10 × 4,687.80
  4. Step 4: Simplify right side
    9,072.60x = 63,745,173.18
  5. Step 5: Solve for x
    x = 63,745,173.18/9,072.60
  6. Step 6: Final answer
    x = 7,026.12

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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.