Home / 10,387.29-15,582.98-3,813.53

Finding the Fourth Proportional to 10,387.29, 15,582.98 and 3,813.53

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Solution

The fourth proportional to 10,387.29, 15,582.98 and 3,813.53 is: 5,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.29 : 15,582.98 = 3,813.53 : x
  2. Step 2: Convert to fraction form
    10,387.29/15,582.98 = 3,813.53/x
  3. Step 3: Cross multiply
    10,387.29x = 15,582.98 × 3,813.53
  4. Step 4: Simplify right side
    10,387.29x = 59,426,161.72
  5. Step 5: Solve for x
    x = 59,426,161.72/10,387.29
  6. Step 6: Final answer
    x = 5,721.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.