Home / 8,748.16-12,072.40-4,769.28

Finding the Fourth Proportional to 8,748.16, 12,072.40 and 4,769.28

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Solution

The fourth proportional to 8,748.16, 12,072.40 and 4,769.28 is: 6,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.16 : 12,072.40 = 4,769.28 : x
  2. Step 2: Convert to fraction form
    8,748.16/12,072.40 = 4,769.28/x
  3. Step 3: Cross multiply
    8,748.16x = 12,072.40 × 4,769.28
  4. Step 4: Simplify right side
    8,748.16x = 57,576,655.87
  5. Step 5: Solve for x
    x = 57,576,655.87/8,748.16
  6. Step 6: Final answer
    x = 6,581.57

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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.