Home / 7,538.28-10,411.56-7,100.88

Finding the Fourth Proportional to 7,538.28, 10,411.56 and 7,100.88

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Solution

The fourth proportional to 7,538.28, 10,411.56 and 7,100.88 is: 9,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.28 : 10,411.56 = 7,100.88 : x
  2. Step 2: Convert to fraction form
    7,538.28/10,411.56 = 7,100.88/x
  3. Step 3: Cross multiply
    7,538.28x = 10,411.56 × 7,100.88
  4. Step 4: Simplify right side
    7,538.28x = 73,931,238.17
  5. Step 5: Solve for x
    x = 73,931,238.17/7,538.28
  6. Step 6: Final answer
    x = 9,807.44

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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.