Home / 10,574.73-15,869.28-5,647.91

Finding the Fourth Proportional to 10,574.73, 15,869.28 and 5,647.91

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Solution

The fourth proportional to 10,574.73, 15,869.28 and 5,647.91 is: 8,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.73 : 15,869.28 = 5,647.91 : x
  2. Step 2: Convert to fraction form
    10,574.73/15,869.28 = 5,647.91/x
  3. Step 3: Cross multiply
    10,574.73x = 15,869.28 × 5,647.91
  4. Step 4: Simplify right side
    10,574.73x = 89,628,157.62
  5. Step 5: Solve for x
    x = 89,628,157.62/10,574.73
  6. Step 6: Final answer
    x = 8,475.69

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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.