Home / 10,551.36-15,850.08-6,450.24

Finding the Fourth Proportional to 10,551.36, 15,850.08 and 6,450.24

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Solution

The fourth proportional to 10,551.36, 15,850.08 and 6,450.24 is: 9,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.36 : 15,850.08 = 6,450.24 : x
  2. Step 2: Convert to fraction form
    10,551.36/15,850.08 = 6,450.24/x
  3. Step 3: Cross multiply
    10,551.36x = 15,850.08 × 6,450.24
  4. Step 4: Simplify right side
    10,551.36x = 102,236,820.02
  5. Step 5: Solve for x
    x = 102,236,820.02/10,551.36
  6. Step 6: Final answer
    x = 9,689.44

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1.5x scale

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.