Home / 7,154.12-10,671.68-5,991.64

Finding the Fourth Proportional to 7,154.12, 10,671.68 and 5,991.64

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Solution

The fourth proportional to 7,154.12, 10,671.68 and 5,991.64 is: 8,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.12 : 10,671.68 = 5,991.64 : x
  2. Step 2: Convert to fraction form
    7,154.12/10,671.68 = 5,991.64/x
  3. Step 3: Cross multiply
    7,154.12x = 10,671.68 × 5,991.64
  4. Step 4: Simplify right side
    7,154.12x = 63,940,853.06
  5. Step 5: Solve for x
    x = 63,940,853.06/7,154.12
  6. Step 6: Final answer
    x = 8,937.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.