Home / 10,557.04-15,804-6,384.43

Finding the Fourth Proportional to 10,557.04, 15,804 and 6,384.43

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Solution

The fourth proportional to 10,557.04, 15,804 and 6,384.43 is: 9,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.04 : 15,804 = 6,384.43 : x
  2. Step 2: Convert to fraction form
    10,557.04/15,804 = 6,384.43/x
  3. Step 3: Cross multiply
    10,557.04x = 15,804 × 6,384.43
  4. Step 4: Simplify right side
    10,557.04x = 100,899,531.72
  5. Step 5: Solve for x
    x = 100,899,531.72/10,557.04
  6. Step 6: Final answer
    x = 9,557.56

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Why These Related Problems?

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