Home / 7,994.62-11,031.42-4,637.17

Finding the Fourth Proportional to 7,994.62, 11,031.42 and 4,637.17

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Solution

The fourth proportional to 7,994.62, 11,031.42 and 4,637.17 is: 6,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.62 : 11,031.42 = 4,637.17 : x
  2. Step 2: Convert to fraction form
    7,994.62/11,031.42 = 4,637.17/x
  3. Step 3: Cross multiply
    7,994.62x = 11,031.42 × 4,637.17
  4. Step 4: Simplify right side
    7,994.62x = 51,154,569.88
  5. Step 5: Solve for x
    x = 51,154,569.88/7,994.62
  6. Step 6: Final answer
    x = 6,398.62

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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.