Home / 7,690.46-10,612.62-4,333.07

Finding the Fourth Proportional to 7,690.46, 10,612.62 and 4,333.07

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Solution

The fourth proportional to 7,690.46, 10,612.62 and 4,333.07 is: 5,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.46 : 10,612.62 = 4,333.07 : x
  2. Step 2: Convert to fraction form
    7,690.46/10,612.62 = 4,333.07/x
  3. Step 3: Cross multiply
    7,690.46x = 10,612.62 × 4,333.07
  4. Step 4: Simplify right side
    7,690.46x = 45,985,251.87
  5. Step 5: Solve for x
    x = 45,985,251.87/7,690.46
  6. Step 6: Final answer
    x = 5,979.52

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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.