Home / 9,780.56-14,673.36-5,625.32

Finding the Fourth Proportional to 9,780.56, 14,673.36 and 5,625.32

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Solution

The fourth proportional to 9,780.56, 14,673.36 and 5,625.32 is: 8,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.56 : 14,673.36 = 5,625.32 : x
  2. Step 2: Convert to fraction form
    9,780.56/14,673.36 = 5,625.32/x
  3. Step 3: Cross multiply
    9,780.56x = 14,673.36 × 5,625.32
  4. Step 4: Simplify right side
    9,780.56x = 82,542,345.48
  5. Step 5: Solve for x
    x = 82,542,345.48/9,780.56
  6. Step 6: Final answer
    x = 8,439.43

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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.