Home / 10,276.48-14,182.89-7,631.44

Finding the Fourth Proportional to 10,276.48, 14,182.89 and 7,631.44

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Solution

The fourth proportional to 10,276.48, 14,182.89 and 7,631.44 is: 10,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.48 : 14,182.89 = 7,631.44 : x
  2. Step 2: Convert to fraction form
    10,276.48/14,182.89 = 7,631.44/x
  3. Step 3: Cross multiply
    10,276.48x = 14,182.89 × 7,631.44
  4. Step 4: Simplify right side
    10,276.48x = 108,235,874.06
  5. Step 5: Solve for x
    x = 108,235,874.06/10,276.48
  6. Step 6: Final answer
    x = 10,532.39

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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.