Home / 10,650.96-14,620.14-9,445.68

Finding the Fourth Proportional to 10,650.96, 14,620.14 and 9,445.68

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Solution

The fourth proportional to 10,650.96, 14,620.14 and 9,445.68 is: 12,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.96 : 14,620.14 = 9,445.68 : x
  2. Step 2: Convert to fraction form
    10,650.96/14,620.14 = 9,445.68/x
  3. Step 3: Cross multiply
    10,650.96x = 14,620.14 × 9,445.68
  4. Step 4: Simplify right side
    10,650.96x = 138,097,164.00
  5. Step 5: Solve for x
    x = 138,097,164.00/10,650.96
  6. Step 6: Final answer
    x = 12,965.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.