Home / 10,385.58-14,331.84-6,351.08

Finding the Fourth Proportional to 10,385.58, 14,331.84 and 6,351.08

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Solution

The fourth proportional to 10,385.58, 14,331.84 and 6,351.08 is: 8,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.58 : 14,331.84 = 6,351.08 : x
  2. Step 2: Convert to fraction form
    10,385.58/14,331.84 = 6,351.08/x
  3. Step 3: Cross multiply
    10,385.58x = 14,331.84 × 6,351.08
  4. Step 4: Simplify right side
    10,385.58x = 91,022,566.91
  5. Step 5: Solve for x
    x = 91,022,566.91/10,385.58
  6. Step 6: Final answer
    x = 8,764.32

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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.