Home / 9,363.10-12,921.51-6,382.30

Finding the Fourth Proportional to 9,363.10, 12,921.51 and 6,382.30

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Solution

The fourth proportional to 9,363.10, 12,921.51 and 6,382.30 is: 8,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.10 : 12,921.51 = 6,382.30 : x
  2. Step 2: Convert to fraction form
    9,363.10/12,921.51 = 6,382.30/x
  3. Step 3: Cross multiply
    9,363.10x = 12,921.51 × 6,382.30
  4. Step 4: Simplify right side
    9,363.10x = 82,468,953.27
  5. Step 5: Solve for x
    x = 82,468,953.27/9,363.10
  6. Step 6: Final answer
    x = 8,807.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.