Home / 10,254.21-15,389.66-5,325.27

Finding the Fourth Proportional to 10,254.21, 15,389.66 and 5,325.27

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Solution

The fourth proportional to 10,254.21, 15,389.66 and 5,325.27 is: 7,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.21 : 15,389.66 = 5,325.27 : x
  2. Step 2: Convert to fraction form
    10,254.21/15,389.66 = 5,325.27/x
  3. Step 3: Cross multiply
    10,254.21x = 15,389.66 × 5,325.27
  4. Step 4: Simplify right side
    10,254.21x = 81,954,094.71
  5. Step 5: Solve for x
    x = 81,954,094.71/10,254.21
  6. Step 6: Final answer
    x = 7,992.24

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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.