Home / 10,375.04-14,317.83-6,398.75

Finding the Fourth Proportional to 10,375.04, 14,317.83 and 6,398.75

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Solution

The fourth proportional to 10,375.04, 14,317.83 and 6,398.75 is: 8,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.04 : 14,317.83 = 6,398.75 : x
  2. Step 2: Convert to fraction form
    10,375.04/14,317.83 = 6,398.75/x
  3. Step 3: Cross multiply
    10,375.04x = 14,317.83 × 6,398.75
  4. Step 4: Simplify right side
    10,375.04x = 91,616,143.12
  5. Step 5: Solve for x
    x = 91,616,143.12/10,375.04
  6. Step 6: Final answer
    x = 8,830.44

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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.