Home / 9,685.40-13,363.26-5,493.56

Finding the Fourth Proportional to 9,685.40, 13,363.26 and 5,493.56

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Solution

The fourth proportional to 9,685.40, 13,363.26 and 5,493.56 is: 7,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.40 : 13,363.26 = 5,493.56 : x
  2. Step 2: Convert to fraction form
    9,685.40/13,363.26 = 5,493.56/x
  3. Step 3: Cross multiply
    9,685.40x = 13,363.26 × 5,493.56
  4. Step 4: Simplify right side
    9,685.40x = 73,411,870.61
  5. Step 5: Solve for x
    x = 73,411,870.61/9,685.40
  6. Step 6: Final answer
    x = 7,579.64

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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.