Home / 10,647.28-15,966.12-3,252.64

Finding the Fourth Proportional to 10,647.28, 15,966.12 and 3,252.64

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Solution

The fourth proportional to 10,647.28, 15,966.12 and 3,252.64 is: 4,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.28 : 15,966.12 = 3,252.64 : x
  2. Step 2: Convert to fraction form
    10,647.28/15,966.12 = 3,252.64/x
  3. Step 3: Cross multiply
    10,647.28x = 15,966.12 × 3,252.64
  4. Step 4: Simplify right side
    10,647.28x = 51,932,040.56
  5. Step 5: Solve for x
    x = 51,932,040.56/10,647.28
  6. Step 6: Final answer
    x = 4,877.49

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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.