Home / 10,662.56-14,723.62-6,690.52

Finding the Fourth Proportional to 10,662.56, 14,723.62 and 6,690.52

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Solution

The fourth proportional to 10,662.56, 14,723.62 and 6,690.52 is: 9,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.56 : 14,723.62 = 6,690.52 : x
  2. Step 2: Convert to fraction form
    10,662.56/14,723.62 = 6,690.52/x
  3. Step 3: Cross multiply
    10,662.56x = 14,723.62 × 6,690.52
  4. Step 4: Simplify right side
    10,662.56x = 98,508,674.08
  5. Step 5: Solve for x
    x = 98,508,674.08/10,662.56
  6. Step 6: Final answer
    x = 9,238.75

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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.