Home / 7,864.82-10,847.76-4,506.41

Finding the Fourth Proportional to 7,864.82, 10,847.76 and 4,506.41

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Solution

The fourth proportional to 7,864.82, 10,847.76 and 4,506.41 is: 6,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.82 : 10,847.76 = 4,506.41 : x
  2. Step 2: Convert to fraction form
    7,864.82/10,847.76 = 4,506.41/x
  3. Step 3: Cross multiply
    7,864.82x = 10,847.76 × 4,506.41
  4. Step 4: Simplify right side
    7,864.82x = 48,884,399.90
  5. Step 5: Solve for x
    x = 48,884,399.90/7,864.82
  6. Step 6: Final answer
    x = 6,215.58

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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.