Home / 7,690.32-10,612.52-4,333.14

Finding the Fourth Proportional to 7,690.32, 10,612.52 and 4,333.14

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Solution

The fourth proportional to 7,690.32, 10,612.52 and 4,333.14 is: 5,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.32 : 10,612.52 = 4,333.14 : x
  2. Step 2: Convert to fraction form
    7,690.32/10,612.52 = 4,333.14/x
  3. Step 3: Cross multiply
    7,690.32x = 10,612.52 × 4,333.14
  4. Step 4: Simplify right side
    7,690.32x = 45,985,534.91
  5. Step 5: Solve for x
    x = 45,985,534.91/7,690.32
  6. Step 6: Final answer
    x = 5,979.66

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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.