Home / 7,869.91-10,860.87-4,467.16

Finding the Fourth Proportional to 7,869.91, 10,860.87 and 4,467.16

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Solution

The fourth proportional to 7,869.91, 10,860.87 and 4,467.16 is: 6,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.91 : 10,860.87 = 4,467.16 : x
  2. Step 2: Convert to fraction form
    7,869.91/10,860.87 = 4,467.16/x
  3. Step 3: Cross multiply
    7,869.91x = 10,860.87 × 4,467.16
  4. Step 4: Simplify right side
    7,869.91x = 48,517,243.81
  5. Step 5: Solve for x
    x = 48,517,243.81/7,869.91
  6. Step 6: Final answer
    x = 6,164.91

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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.