Home / 10,382.12-14,328.42-6,135.30

Finding the Fourth Proportional to 10,382.12, 14,328.42 and 6,135.30

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Solution

The fourth proportional to 10,382.12, 14,328.42 and 6,135.30 is: 8,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.12 : 14,328.42 = 6,135.30 : x
  2. Step 2: Convert to fraction form
    10,382.12/14,328.42 = 6,135.30/x
  3. Step 3: Cross multiply
    10,382.12x = 14,328.42 × 6,135.30
  4. Step 4: Simplify right side
    10,382.12x = 87,909,155.23
  5. Step 5: Solve for x
    x = 87,909,155.23/10,382.12
  6. Step 6: Final answer
    x = 8,467.36

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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.