Home / 7,489.12-10,325.28-5,127.04

Finding the Fourth Proportional to 7,489.12, 10,325.28 and 5,127.04

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Solution

The fourth proportional to 7,489.12, 10,325.28 and 5,127.04 is: 7,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.12 : 10,325.28 = 5,127.04 : x
  2. Step 2: Convert to fraction form
    7,489.12/10,325.28 = 5,127.04/x
  3. Step 3: Cross multiply
    7,489.12x = 10,325.28 × 5,127.04
  4. Step 4: Simplify right side
    7,489.12x = 52,938,123.57
  5. Step 5: Solve for x
    x = 52,938,123.57/7,489.12
  6. Step 6: Final answer
    x = 7,068.67

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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.